Privacy Policy

Last updated May 17, 2024



Thank you for using Serene!

Your privacy is critically important to us. As the creators and frequent users of Serene ourselves, protecting privacy is really important to us.

When you share any personal or sensitive information, we consider it our paramount obligation to ensure their security, protection, and confidentiality, while still providing you effective features and services in our products.



This privacy policy for Istari, Co. (“Serene”, "we", "us" or "our"), describes how and why we might collect, store, use, and/or share ( "process") your information when you use our website, application, and services (collectively, "Services").



By using or accessing our Services, you acknowledge that you accept the practices and policies outlined in this privacy policy and our Terms of Use. If anything is unclear, please don’t hesitate to contact us for clarification at support@theistari.co.



  1. What this privacy policy covers

This Privacy Policy covers how we treat Personal Data that we gather when you access or use our Services. “Personal Information” means any information that identifies or relates to a particular individual and also includes information referred to as “personally identifiable information” or “personal information” or “sensitive personal information” under applicable data privacy laws, rules or regulations. This Privacy Policy does not cover the practices of companies we don’t own or control or people we don’t manage.



  1. Personal information we collect



We collect personal information relating to you as follows:



Personal information you provide: We collect Personal Information if you create an account to use our Services or communicate with us as follows:

  • Account Information: Profile or Contact Data such as first and last name, email, phone number, and unique identifiers (collectively, “Account Information”)

  • User Content: When you use our Services, we collect Personal Information that is included in the input, file uploads, or feedback that you provide to our Services (“User  Content”). 

  • Communication Information: If you communicate with us, we collect your name, contact information, and the contents of any messages you send (“Communication Information”).

  • Social Media Information: We have pages on social media sites like Instagram, Facebook, Medium, Twitter, YouTube and LinkedIn. When you interact with our social media pages, we will collect Personal Information that you elect to provide to us, such as your contact details (collectively, “Social Information”). In addition, the companies that host our social media pages may provide us with aggregate information and analytics about our social media activity.

  • Other Information You Provide: We collect other information that you may provide to us, such as when you participate in our events or surveys or provide us with information to establish your identity (collectively, “Other Information You Provide”)



Personal information we receive automatically from your use of the Services: When you visit, use, or interact with the Services, we receive the following information about your visit, use, or interactions (“Technical Information”):

  • Log Data: Information that your browser or device automatically sends when you use our Services. Log data includes your Internet Protocol address, browser type and settings, the date and time of your request, and how you interact with our Services.

  • Usage Data: We may automatically collect information about your use of the Services, such as the types of content that you view or engage with, the features you use and the actions you take, as well as your time zone, country, the dates and times of access, user agent and version, type of computer or mobile device, and your computer connection.

  • Device Information: Includes name of the device, operating system, device identifiers, and browser you are using. Information collected may depend on the type of device you use and its settings.

  • Cookies: We use cookies to operate and administer our Services, and improve your experience. A “cookie” is a piece of information sent to your browser by a website you visit. For more details on cookies, please visit the “All About Cookies” section below.

  • Analytics: We may use a variety of online analytics products that use cookies to help us analyze how users use our Services and enhance your experience when you use the Services.



Sensitive Personal Information: We do not process sensitive personal information.




  1. How we use personal information

We may use Personal Information for the following purposes:

  • To provide, administer, maintain and/or analyze the Services;

  • To provide you with the products, services, or information you request;

  • To customize and improve our Services and conduct research;

  • To communicate with you; including to send you information about our Services and events;

  • To develop new programs and services;

  • To prevent fraud, criminal activity, or misuses of our Services, and to protect the security of our IT systems, architecture, and networks;

  • To carry out business transfers; and

  • To comply with legal obligations and legal process and to protect our rights, privacy, safety, or property, and/or that of our affiliates, you, or other third parties.



We may create aggregated, de-identified or anonymized data from the Personal Data we collect, including by removing information that makes the data personally identifiable to a particular user. We may use such aggregated, de-identified or anonymized data and disclose it with third parties for our lawful business purposes, including to analyze, build and improve the Services and promote our business, provided that we will not disclose such data in a manner that could identify you.  



  1. Disclosure of personal information

We disclose your Personal Data to the categories of service providers and other parties listed in this section. 

  • Vendors and Service Providers. To assist us in meeting business operations needs and to perform certain services and functions, we may provide Personal Information to vendors and service providers, including providers of hosting services, customer service vendors, cloud services, email communication software, web analytics services, and other information technology providers, among others. Pursuant to our instructions, these parties will access, process, or store Personal Information only in the course of performing their duties to us. 

  • Business Transfers: If we are involved in strategic transactions, reorganization, bankruptcy, receivership, or transition of service to another provider (collectively, a “Transaction”), your Personal Information and other information may be disclosed in the diligence process with counterparties and others assisting with the Transaction and transferred to a successor or affiliate as part of that Transaction along with other assets.

  • Legal Requirements: We may share your Personal Information, including information about your interaction with our Services, with government authorities, industry peers, or other third parties (i) if required to do so by law or in the good faith belief that such action is necessary to comply with a legal obligation, (ii) to protect and defend our rights or property, (iii) if we determine, in our sole discretion, that there is a violation of our terms, policies, or the law; (iv) to detect or prevent fraud or other illegal activity; (v) to protect the safety, security, and integrity of our products, employees, or users, or the public, or (vi) to protect against legal liability.



  1. Your Rights

Depending on location, individuals may have certain statutory rights in relation to their Personal Information. For example, you may have the right to:

  • Access your Personal Information and information relating to how it is processed.

  • Delete your Personal Information from our records.

  • Rectify or update your Personal Information.

  • Transfer your Personal Information to a third party (right to data portability).

  • Restrict how we process your Personal Information.

  • Withdraw your consent—where we rely on consent as the legal basis for processing at any time. 

  • Object to how we process your Personal Information.

  • Lodge a complaint with your local data protection authority.



You can exercise some of these rights through your account. If you are unable to exercise your rights through your account, please submit your request through support@theistari.co.



  1. All About Cookies

The Services use cookies and similar technologies such as pixel tags, web beacons, clear GIFs and JavaScript (collectively, “Cookies”) to enable our servers to recognize your web browser, tell us how and when you visit and use our Services, analyze trends, learn about our user base and operate and improve our Services. Cookies are small pieces of data– usually text files – placed on your computer, tablet, phone or similar device when you use that device to access our Services. We may also supplement the information we collect from you with information received from third parties, including third parties that have placed their own Cookies on your device(s). 

Please note that because of our use of Cookies, the Services do not support “Do Not Track” requests sent from a browser at this time.

We use the following types of Cookies:

  • Essential Cookies. Essential Cookies are required for providing you with features or services that you have requested. For example, certain Cookies enable you to log into secure areas of our Services. Disabling these Cookies may make certain features and services unavailable.

  • Functional Cookies. Functional Cookies are used to record your choices and settings regarding our Services, maintain your preferences over time and recognize you when you return to our Services. These Cookies help us to personalize our content for you, greet you by name and remember your preferences (for example, your choice of language or region).

  • Performance/Analytical Cookies. Performance/Analytical Cookies allow us to understand how visitors use our Services. They do this by collecting information about the number of visitors to the Services, what pages visitors view on our Services and how long visitors are viewing pages on the Services. Performance/Analytical Cookies also help us measure the performance of our advertising campaigns in order to help us improve our campaigns and the Services’ content for those who engage with our advertising. For example, Google LLC (“Google”) uses cookies in connection with its Google Analytics services. Google’s ability to use and disclose information collected by Google Analytics about your visits to the Services is subject to the Google Analytics Terms of Service and the Google Privacy Policy. You have the option to opt-out of Google’s use of Cookies by visiting the Google advertising opt-out page at www.google.com/privacy_ads.html or the Google Analytics Opt-out Browser Add-on at https://tools.google.com/dlpage/gaoptout/.



You can decide whether or not to accept Cookies through your internet browser’s settings. Most browsers have an option for turning off the Cookie feature, which will prevent your browser from accepting new Cookies, as well as (depending on the sophistication of your browser software) allow you to decide on acceptance of each new Cookie in a variety of ways. You can also delete all Cookies that are already on your device. If you do this, however, you may have to manually adjust some preferences every time you visit our website and some of the Services and functionalities may not work. 



To explore what Cookie settings are available to you or to modify your preferences with respect to Cookies. To find out more information about Cookies generally, including information about how to manage and delete Cookies, please visit http://www.allaboutcookies.org/.



  1. Data Security and Retention

We implement commercially reasonable technical, administrative, and organizational measures to protect Personal Information both online and offline from loss, misuse, and unauthorized access, disclosure, alteration, or destruction. However, no Internet or email transmission is ever fully secure or error free. In particular, email sent to or from us may not be secure. Therefore, you should take special care in deciding what information you send to us via the Service or email. In addition, we are not responsible for circumvention of any privacy settings or security measures contained on the Service, or third-party websites.

We’ll retain your Personal Information for only as long as we need in order to provide our Service to you, or for other legitimate business purposes such as resolving disputes, safety and security reasons, or complying with our legal obligations. How long we retain Personal Information will depend on a number of factors, such as the amount, nature, and sensitivity of the information, the potential risk of harm from unauthorized use or disclosure, our purpose for processing the information, and any legal requirements.

  1. Children

As noted in the Terms of Use, we do not knowingly collect or solicit Personal Data from children under 16 years of age; if you are a child under the age of 16, please do not attempt to register for or otherwise use the Services or send us any Personal Data. If we learn we have collected Personal Data from a child under 16 years of age, we will delete that information as quickly as possible. If you believe that a child under 16 years of age may have provided Personal Data to us, please contact us at support@theistari.co.

  1. Additional U.S. state disclosures

The following table provides additional information about the categories of Personal Information we collect and how we disclose that information. You can read more about the Personal Information we collect in “Personal information we collect” above, how we use Personal Information in “How we use personal information” above, and how we retain Personal Information in “Security and Retention” above.




Category of Personal Data (and examples)Business or Commercial Purpose(s) for Collection
Categories of Third Parties With Whom We Disclose this Personal Data Identifiers such as first and last name, email, phone number, and unique identifiers. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersDevice/IP Data such as IP address, device ID, domain server, and type of device/ operating system/ browser used to access the Services.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersWeb Analytics such as web page interactions, referring webpage/source through which you accessed the Services, non-identifiable request IDs, and statistics associated with the interaction between device or browser and the Services. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersSocial Network Data information from social media profiles such as email address or user name.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersConsumer Demographic Data such as age and/or date of birth. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersGeolocation Data such as IP-address-based location information.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersNetwork Activity Information, such as User Content and how you interact with our ServicesProviding, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersSensory Data such as photos, videos, or recordings of you and/or of your environment. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService Providers



Legal basis for processing. Our legal bases for processing your Personal Information include:

  • Performance of a contract with you when we provide and maintain our Services. When we process Account Information, Content, and Technical Information solely to provide our Services to you, this information is necessary to be able to provide our Services. If you do not provide this information, we may not be able to provide our Services to you. 

  • Our legitimate interests in protecting our Services from abuse, fraud, or security risks, or in developing, improving, or promoting our Services, including when we train our models. This may include the processing of Account Information, Content, Social Information, and Technical Information. 

  • Your consent when we ask for your consent to process your Personal Information for a specific purpose that we communicate to you. You have the right to withdraw your consent at any time.

  • Compliance with our legal obligations when we use your Personal Information to comply with applicable law or when we protect our or our affiliates’, users’, or third parties’ rights, safety, and property.




California Resident Rights

Under California Civil Code Sections 1798.83-1798.84, California residents are entitled to contact us to prevent disclosure of Personal Data to third parties for such third parties’ direct marketing purposes; in order to submit such a request, please contact us at support@theistari.co.

Your browser may offer you a “Do Not Track” option, which allows you to signal to operators of websites and web applications and services that you do not wish such operators to track certain of your online activities over time and across different websites. Our Services do not support Do Not Track requests at this time. To find out more about “Do Not Track,” you can visit www.allaboutdnt.com.

Nevada Resident Rights

Please note that we do not currently sell your Personal Data as sales are defined in Nevada Revised Statutes Chapter 603A.

  1. Changes to the Privacy Policy

We may update this Privacy Policy from time to time. When we do, we will post an updated version on this page, unless another type of notice is required by applicable law.

  1. Contact Information:

If you have any questions or comments about this Privacy Policy, the ways in which we collect and use your Personal Data or your choices and rights regarding such collection and use, please do not hesitate to contact us at:

  • support@theistari.co

  • Address:  450 Townsend St, San Francisco, California  94107



Privacy Policy

Last updated May 17, 2024



Thank you for using Serene!

Your privacy is critically important to us. As the creators and frequent users of Serene ourselves, protecting privacy is really important to us.

When you share any personal or sensitive information, we consider it our paramount obligation to ensure their security, protection, and confidentiality, while still providing you effective features and services in our products.



This privacy policy for Istari, Co. (“Serene”, "we", "us" or "our"), describes how and why we might collect, store, use, and/or share ( "process") your information when you use our website, application, and services (collectively, "Services").



By using or accessing our Services, you acknowledge that you accept the practices and policies outlined in this privacy policy and our Terms of Use. If anything is unclear, please don’t hesitate to contact us for clarification at support@theistari.co.



  1. What this privacy policy covers

This Privacy Policy covers how we treat Personal Data that we gather when you access or use our Services. “Personal Information” means any information that identifies or relates to a particular individual and also includes information referred to as “personally identifiable information” or “personal information” or “sensitive personal information” under applicable data privacy laws, rules or regulations. This Privacy Policy does not cover the practices of companies we don’t own or control or people we don’t manage.



  1. Personal information we collect



We collect personal information relating to you as follows:



Personal information you provide: We collect Personal Information if you create an account to use our Services or communicate with us as follows:

  • Account Information: Profile or Contact Data such as first and last name, email, phone number, and unique identifiers (collectively, “Account Information”)

  • User Content: When you use our Services, we collect Personal Information that is included in the input, file uploads, or feedback that you provide to our Services (“User  Content”). 

  • Communication Information: If you communicate with us, we collect your name, contact information, and the contents of any messages you send (“Communication Information”).

  • Social Media Information: We have pages on social media sites like Instagram, Facebook, Medium, Twitter, YouTube and LinkedIn. When you interact with our social media pages, we will collect Personal Information that you elect to provide to us, such as your contact details (collectively, “Social Information”). In addition, the companies that host our social media pages may provide us with aggregate information and analytics about our social media activity.

  • Other Information You Provide: We collect other information that you may provide to us, such as when you participate in our events or surveys or provide us with information to establish your identity (collectively, “Other Information You Provide”)



Personal information we receive automatically from your use of the Services: When you visit, use, or interact with the Services, we receive the following information about your visit, use, or interactions (“Technical Information”):

  • Log Data: Information that your browser or device automatically sends when you use our Services. Log data includes your Internet Protocol address, browser type and settings, the date and time of your request, and how you interact with our Services.

  • Usage Data: We may automatically collect information about your use of the Services, such as the types of content that you view or engage with, the features you use and the actions you take, as well as your time zone, country, the dates and times of access, user agent and version, type of computer or mobile device, and your computer connection.

  • Device Information: Includes name of the device, operating system, device identifiers, and browser you are using. Information collected may depend on the type of device you use and its settings.

  • Cookies: We use cookies to operate and administer our Services, and improve your experience. A “cookie” is a piece of information sent to your browser by a website you visit. For more details on cookies, please visit the “All About Cookies” section below.

  • Analytics: We may use a variety of online analytics products that use cookies to help us analyze how users use our Services and enhance your experience when you use the Services.



Sensitive Personal Information: We do not process sensitive personal information.




  1. How we use personal information

We may use Personal Information for the following purposes:

  • To provide, administer, maintain and/or analyze the Services;

  • To provide you with the products, services, or information you request;

  • To customize and improve our Services and conduct research;

  • To communicate with you; including to send you information about our Services and events;

  • To develop new programs and services;

  • To prevent fraud, criminal activity, or misuses of our Services, and to protect the security of our IT systems, architecture, and networks;

  • To carry out business transfers; and

  • To comply with legal obligations and legal process and to protect our rights, privacy, safety, or property, and/or that of our affiliates, you, or other third parties.



We may create aggregated, de-identified or anonymized data from the Personal Data we collect, including by removing information that makes the data personally identifiable to a particular user. We may use such aggregated, de-identified or anonymized data and disclose it with third parties for our lawful business purposes, including to analyze, build and improve the Services and promote our business, provided that we will not disclose such data in a manner that could identify you.  



  1. Disclosure of personal information

We disclose your Personal Data to the categories of service providers and other parties listed in this section. 

  • Vendors and Service Providers. To assist us in meeting business operations needs and to perform certain services and functions, we may provide Personal Information to vendors and service providers, including providers of hosting services, customer service vendors, cloud services, email communication software, web analytics services, and other information technology providers, among others. Pursuant to our instructions, these parties will access, process, or store Personal Information only in the course of performing their duties to us. 

  • Business Transfers: If we are involved in strategic transactions, reorganization, bankruptcy, receivership, or transition of service to another provider (collectively, a “Transaction”), your Personal Information and other information may be disclosed in the diligence process with counterparties and others assisting with the Transaction and transferred to a successor or affiliate as part of that Transaction along with other assets.

  • Legal Requirements: We may share your Personal Information, including information about your interaction with our Services, with government authorities, industry peers, or other third parties (i) if required to do so by law or in the good faith belief that such action is necessary to comply with a legal obligation, (ii) to protect and defend our rights or property, (iii) if we determine, in our sole discretion, that there is a violation of our terms, policies, or the law; (iv) to detect or prevent fraud or other illegal activity; (v) to protect the safety, security, and integrity of our products, employees, or users, or the public, or (vi) to protect against legal liability.



  1. Your Rights

Depending on location, individuals may have certain statutory rights in relation to their Personal Information. For example, you may have the right to:

  • Access your Personal Information and information relating to how it is processed.

  • Delete your Personal Information from our records.

  • Rectify or update your Personal Information.

  • Transfer your Personal Information to a third party (right to data portability).

  • Restrict how we process your Personal Information.

  • Withdraw your consent—where we rely on consent as the legal basis for processing at any time. 

  • Object to how we process your Personal Information.

  • Lodge a complaint with your local data protection authority.



You can exercise some of these rights through your account. If you are unable to exercise your rights through your account, please submit your request through support@theistari.co.



  1. All About Cookies

The Services use cookies and similar technologies such as pixel tags, web beacons, clear GIFs and JavaScript (collectively, “Cookies”) to enable our servers to recognize your web browser, tell us how and when you visit and use our Services, analyze trends, learn about our user base and operate and improve our Services. Cookies are small pieces of data– usually text files – placed on your computer, tablet, phone or similar device when you use that device to access our Services. We may also supplement the information we collect from you with information received from third parties, including third parties that have placed their own Cookies on your device(s). 

Please note that because of our use of Cookies, the Services do not support “Do Not Track” requests sent from a browser at this time.

We use the following types of Cookies:

  • Essential Cookies. Essential Cookies are required for providing you with features or services that you have requested. For example, certain Cookies enable you to log into secure areas of our Services. Disabling these Cookies may make certain features and services unavailable.

  • Functional Cookies. Functional Cookies are used to record your choices and settings regarding our Services, maintain your preferences over time and recognize you when you return to our Services. These Cookies help us to personalize our content for you, greet you by name and remember your preferences (for example, your choice of language or region).

  • Performance/Analytical Cookies. Performance/Analytical Cookies allow us to understand how visitors use our Services. They do this by collecting information about the number of visitors to the Services, what pages visitors view on our Services and how long visitors are viewing pages on the Services. Performance/Analytical Cookies also help us measure the performance of our advertising campaigns in order to help us improve our campaigns and the Services’ content for those who engage with our advertising. For example, Google LLC (“Google”) uses cookies in connection with its Google Analytics services. Google’s ability to use and disclose information collected by Google Analytics about your visits to the Services is subject to the Google Analytics Terms of Service and the Google Privacy Policy. You have the option to opt-out of Google’s use of Cookies by visiting the Google advertising opt-out page at www.google.com/privacy_ads.html or the Google Analytics Opt-out Browser Add-on at https://tools.google.com/dlpage/gaoptout/.



You can decide whether or not to accept Cookies through your internet browser’s settings. Most browsers have an option for turning off the Cookie feature, which will prevent your browser from accepting new Cookies, as well as (depending on the sophistication of your browser software) allow you to decide on acceptance of each new Cookie in a variety of ways. You can also delete all Cookies that are already on your device. If you do this, however, you may have to manually adjust some preferences every time you visit our website and some of the Services and functionalities may not work. 



To explore what Cookie settings are available to you or to modify your preferences with respect to Cookies. To find out more information about Cookies generally, including information about how to manage and delete Cookies, please visit http://www.allaboutcookies.org/.



  1. Data Security and Retention

We implement commercially reasonable technical, administrative, and organizational measures to protect Personal Information both online and offline from loss, misuse, and unauthorized access, disclosure, alteration, or destruction. However, no Internet or email transmission is ever fully secure or error free. In particular, email sent to or from us may not be secure. Therefore, you should take special care in deciding what information you send to us via the Service or email. In addition, we are not responsible for circumvention of any privacy settings or security measures contained on the Service, or third-party websites.

We’ll retain your Personal Information for only as long as we need in order to provide our Service to you, or for other legitimate business purposes such as resolving disputes, safety and security reasons, or complying with our legal obligations. How long we retain Personal Information will depend on a number of factors, such as the amount, nature, and sensitivity of the information, the potential risk of harm from unauthorized use or disclosure, our purpose for processing the information, and any legal requirements.

  1. Children

As noted in the Terms of Use, we do not knowingly collect or solicit Personal Data from children under 16 years of age; if you are a child under the age of 16, please do not attempt to register for or otherwise use the Services or send us any Personal Data. If we learn we have collected Personal Data from a child under 16 years of age, we will delete that information as quickly as possible. If you believe that a child under 16 years of age may have provided Personal Data to us, please contact us at support@theistari.co.

  1. Additional U.S. state disclosures

The following table provides additional information about the categories of Personal Information we collect and how we disclose that information. You can read more about the Personal Information we collect in “Personal information we collect” above, how we use Personal Information in “How we use personal information” above, and how we retain Personal Information in “Security and Retention” above.




Category of Personal Data (and examples)Business or Commercial Purpose(s) for Collection
Categories of Third Parties With Whom We Disclose this Personal Data Identifiers such as first and last name, email, phone number, and unique identifiers. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersDevice/IP Data such as IP address, device ID, domain server, and type of device/ operating system/ browser used to access the Services.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersWeb Analytics such as web page interactions, referring webpage/source through which you accessed the Services, non-identifiable request IDs, and statistics associated with the interaction between device or browser and the Services. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersSocial Network Data information from social media profiles such as email address or user name.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersConsumer Demographic Data such as age and/or date of birth. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersGeolocation Data such as IP-address-based location information.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersNetwork Activity Information, such as User Content and how you interact with our ServicesProviding, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersSensory Data such as photos, videos, or recordings of you and/or of your environment. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService Providers



Legal basis for processing. Our legal bases for processing your Personal Information include:

  • Performance of a contract with you when we provide and maintain our Services. When we process Account Information, Content, and Technical Information solely to provide our Services to you, this information is necessary to be able to provide our Services. If you do not provide this information, we may not be able to provide our Services to you. 

  • Our legitimate interests in protecting our Services from abuse, fraud, or security risks, or in developing, improving, or promoting our Services, including when we train our models. This may include the processing of Account Information, Content, Social Information, and Technical Information. 

  • Your consent when we ask for your consent to process your Personal Information for a specific purpose that we communicate to you. You have the right to withdraw your consent at any time.

  • Compliance with our legal obligations when we use your Personal Information to comply with applicable law or when we protect our or our affiliates’, users’, or third parties’ rights, safety, and property.




California Resident Rights

Under California Civil Code Sections 1798.83-1798.84, California residents are entitled to contact us to prevent disclosure of Personal Data to third parties for such third parties’ direct marketing purposes; in order to submit such a request, please contact us at support@theistari.co.

Your browser may offer you a “Do Not Track” option, which allows you to signal to operators of websites and web applications and services that you do not wish such operators to track certain of your online activities over time and across different websites. Our Services do not support Do Not Track requests at this time. To find out more about “Do Not Track,” you can visit www.allaboutdnt.com.

Nevada Resident Rights

Please note that we do not currently sell your Personal Data as sales are defined in Nevada Revised Statutes Chapter 603A.

  1. Changes to the Privacy Policy

We may update this Privacy Policy from time to time. When we do, we will post an updated version on this page, unless another type of notice is required by applicable law.

  1. Contact Information:

If you have any questions or comments about this Privacy Policy, the ways in which we collect and use your Personal Data or your choices and rights regarding such collection and use, please do not hesitate to contact us at:

  • support@theistari.co

  • Address:  450 Townsend St, San Francisco, California  94107



Privacy Policy

Last updated May 17, 2024



Thank you for using Serene!

Your privacy is critically important to us. As the creators and frequent users of Serene ourselves, protecting privacy is really important to us.

When you share any personal or sensitive information, we consider it our paramount obligation to ensure their security, protection, and confidentiality, while still providing you effective features and services in our products.



This privacy policy for Istari, Co. (“Serene”, "we", "us" or "our"), describes how and why we might collect, store, use, and/or share ( "process") your information when you use our website, application, and services (collectively, "Services").



By using or accessing our Services, you acknowledge that you accept the practices and policies outlined in this privacy policy and our Terms of Use. If anything is unclear, please don’t hesitate to contact us for clarification at support@theistari.co.



  1. What this privacy policy covers

This Privacy Policy covers how we treat Personal Data that we gather when you access or use our Services. “Personal Information” means any information that identifies or relates to a particular individual and also includes information referred to as “personally identifiable information” or “personal information” or “sensitive personal information” under applicable data privacy laws, rules or regulations. This Privacy Policy does not cover the practices of companies we don’t own or control or people we don’t manage.



  1. Personal information we collect



We collect personal information relating to you as follows:



Personal information you provide: We collect Personal Information if you create an account to use our Services or communicate with us as follows:

  • Account Information: Profile or Contact Data such as first and last name, email, phone number, and unique identifiers (collectively, “Account Information”)

  • User Content: When you use our Services, we collect Personal Information that is included in the input, file uploads, or feedback that you provide to our Services (“User  Content”). 

  • Communication Information: If you communicate with us, we collect your name, contact information, and the contents of any messages you send (“Communication Information”).

  • Social Media Information: We have pages on social media sites like Instagram, Facebook, Medium, Twitter, YouTube and LinkedIn. When you interact with our social media pages, we will collect Personal Information that you elect to provide to us, such as your contact details (collectively, “Social Information”). In addition, the companies that host our social media pages may provide us with aggregate information and analytics about our social media activity.

  • Other Information You Provide: We collect other information that you may provide to us, such as when you participate in our events or surveys or provide us with information to establish your identity (collectively, “Other Information You Provide”)



Personal information we receive automatically from your use of the Services: When you visit, use, or interact with the Services, we receive the following information about your visit, use, or interactions (“Technical Information”):

  • Log Data: Information that your browser or device automatically sends when you use our Services. Log data includes your Internet Protocol address, browser type and settings, the date and time of your request, and how you interact with our Services.

  • Usage Data: We may automatically collect information about your use of the Services, such as the types of content that you view or engage with, the features you use and the actions you take, as well as your time zone, country, the dates and times of access, user agent and version, type of computer or mobile device, and your computer connection.

  • Device Information: Includes name of the device, operating system, device identifiers, and browser you are using. Information collected may depend on the type of device you use and its settings.

  • Cookies: We use cookies to operate and administer our Services, and improve your experience. A “cookie” is a piece of information sent to your browser by a website you visit. For more details on cookies, please visit the “All About Cookies” section below.

  • Analytics: We may use a variety of online analytics products that use cookies to help us analyze how users use our Services and enhance your experience when you use the Services.



Sensitive Personal Information: We do not process sensitive personal information.




  1. How we use personal information

We may use Personal Information for the following purposes:

  • To provide, administer, maintain and/or analyze the Services;

  • To provide you with the products, services, or information you request;

  • To customize and improve our Services and conduct research;

  • To communicate with you; including to send you information about our Services and events;

  • To develop new programs and services;

  • To prevent fraud, criminal activity, or misuses of our Services, and to protect the security of our IT systems, architecture, and networks;

  • To carry out business transfers; and

  • To comply with legal obligations and legal process and to protect our rights, privacy, safety, or property, and/or that of our affiliates, you, or other third parties.



We may create aggregated, de-identified or anonymized data from the Personal Data we collect, including by removing information that makes the data personally identifiable to a particular user. We may use such aggregated, de-identified or anonymized data and disclose it with third parties for our lawful business purposes, including to analyze, build and improve the Services and promote our business, provided that we will not disclose such data in a manner that could identify you.  



  1. Disclosure of personal information

We disclose your Personal Data to the categories of service providers and other parties listed in this section. 

  • Vendors and Service Providers. To assist us in meeting business operations needs and to perform certain services and functions, we may provide Personal Information to vendors and service providers, including providers of hosting services, customer service vendors, cloud services, email communication software, web analytics services, and other information technology providers, among others. Pursuant to our instructions, these parties will access, process, or store Personal Information only in the course of performing their duties to us. 

  • Business Transfers: If we are involved in strategic transactions, reorganization, bankruptcy, receivership, or transition of service to another provider (collectively, a “Transaction”), your Personal Information and other information may be disclosed in the diligence process with counterparties and others assisting with the Transaction and transferred to a successor or affiliate as part of that Transaction along with other assets.

  • Legal Requirements: We may share your Personal Information, including information about your interaction with our Services, with government authorities, industry peers, or other third parties (i) if required to do so by law or in the good faith belief that such action is necessary to comply with a legal obligation, (ii) to protect and defend our rights or property, (iii) if we determine, in our sole discretion, that there is a violation of our terms, policies, or the law; (iv) to detect or prevent fraud or other illegal activity; (v) to protect the safety, security, and integrity of our products, employees, or users, or the public, or (vi) to protect against legal liability.



  1. Your Rights

Depending on location, individuals may have certain statutory rights in relation to their Personal Information. For example, you may have the right to:

  • Access your Personal Information and information relating to how it is processed.

  • Delete your Personal Information from our records.

  • Rectify or update your Personal Information.

  • Transfer your Personal Information to a third party (right to data portability).

  • Restrict how we process your Personal Information.

  • Withdraw your consent—where we rely on consent as the legal basis for processing at any time. 

  • Object to how we process your Personal Information.

  • Lodge a complaint with your local data protection authority.



You can exercise some of these rights through your account. If you are unable to exercise your rights through your account, please submit your request through support@theistari.co.



  1. All About Cookies

The Services use cookies and similar technologies such as pixel tags, web beacons, clear GIFs and JavaScript (collectively, “Cookies”) to enable our servers to recognize your web browser, tell us how and when you visit and use our Services, analyze trends, learn about our user base and operate and improve our Services. Cookies are small pieces of data– usually text files – placed on your computer, tablet, phone or similar device when you use that device to access our Services. We may also supplement the information we collect from you with information received from third parties, including third parties that have placed their own Cookies on your device(s). 

Please note that because of our use of Cookies, the Services do not support “Do Not Track” requests sent from a browser at this time.

We use the following types of Cookies:

  • Essential Cookies. Essential Cookies are required for providing you with features or services that you have requested. For example, certain Cookies enable you to log into secure areas of our Services. Disabling these Cookies may make certain features and services unavailable.

  • Functional Cookies. Functional Cookies are used to record your choices and settings regarding our Services, maintain your preferences over time and recognize you when you return to our Services. These Cookies help us to personalize our content for you, greet you by name and remember your preferences (for example, your choice of language or region).

  • Performance/Analytical Cookies. Performance/Analytical Cookies allow us to understand how visitors use our Services. They do this by collecting information about the number of visitors to the Services, what pages visitors view on our Services and how long visitors are viewing pages on the Services. Performance/Analytical Cookies also help us measure the performance of our advertising campaigns in order to help us improve our campaigns and the Services’ content for those who engage with our advertising. For example, Google LLC (“Google”) uses cookies in connection with its Google Analytics services. Google’s ability to use and disclose information collected by Google Analytics about your visits to the Services is subject to the Google Analytics Terms of Service and the Google Privacy Policy. You have the option to opt-out of Google’s use of Cookies by visiting the Google advertising opt-out page at www.google.com/privacy_ads.html or the Google Analytics Opt-out Browser Add-on at https://tools.google.com/dlpage/gaoptout/.



You can decide whether or not to accept Cookies through your internet browser’s settings. Most browsers have an option for turning off the Cookie feature, which will prevent your browser from accepting new Cookies, as well as (depending on the sophistication of your browser software) allow you to decide on acceptance of each new Cookie in a variety of ways. You can also delete all Cookies that are already on your device. If you do this, however, you may have to manually adjust some preferences every time you visit our website and some of the Services and functionalities may not work. 



To explore what Cookie settings are available to you or to modify your preferences with respect to Cookies. To find out more information about Cookies generally, including information about how to manage and delete Cookies, please visit http://www.allaboutcookies.org/.



  1. Data Security and Retention

We implement commercially reasonable technical, administrative, and organizational measures to protect Personal Information both online and offline from loss, misuse, and unauthorized access, disclosure, alteration, or destruction. However, no Internet or email transmission is ever fully secure or error free. In particular, email sent to or from us may not be secure. Therefore, you should take special care in deciding what information you send to us via the Service or email. In addition, we are not responsible for circumvention of any privacy settings or security measures contained on the Service, or third-party websites.

We’ll retain your Personal Information for only as long as we need in order to provide our Service to you, or for other legitimate business purposes such as resolving disputes, safety and security reasons, or complying with our legal obligations. How long we retain Personal Information will depend on a number of factors, such as the amount, nature, and sensitivity of the information, the potential risk of harm from unauthorized use or disclosure, our purpose for processing the information, and any legal requirements.

  1. Children

As noted in the Terms of Use, we do not knowingly collect or solicit Personal Data from children under 16 years of age; if you are a child under the age of 16, please do not attempt to register for or otherwise use the Services or send us any Personal Data. If we learn we have collected Personal Data from a child under 16 years of age, we will delete that information as quickly as possible. If you believe that a child under 16 years of age may have provided Personal Data to us, please contact us at support@theistari.co.

  1. Additional U.S. state disclosures

The following table provides additional information about the categories of Personal Information we collect and how we disclose that information. You can read more about the Personal Information we collect in “Personal information we collect” above, how we use Personal Information in “How we use personal information” above, and how we retain Personal Information in “Security and Retention” above.




Category of Personal Data (and examples)Business or Commercial Purpose(s) for Collection
Categories of Third Parties With Whom We Disclose this Personal Data Identifiers such as first and last name, email, phone number, and unique identifiers. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersDevice/IP Data such as IP address, device ID, domain server, and type of device/ operating system/ browser used to access the Services.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersWeb Analytics such as web page interactions, referring webpage/source through which you accessed the Services, non-identifiable request IDs, and statistics associated with the interaction between device or browser and the Services. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersSocial Network Data information from social media profiles such as email address or user name.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersConsumer Demographic Data such as age and/or date of birth. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersGeolocation Data such as IP-address-based location information.Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersNetwork Activity Information, such as User Content and how you interact with our ServicesProviding, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService ProvidersSensory Data such as photos, videos, or recordings of you and/or of your environment. Providing, Customizing and Improving the ServicesMarketing the ServicesCorresponding with YouService Providers



Legal basis for processing. Our legal bases for processing your Personal Information include:

  • Performance of a contract with you when we provide and maintain our Services. When we process Account Information, Content, and Technical Information solely to provide our Services to you, this information is necessary to be able to provide our Services. If you do not provide this information, we may not be able to provide our Services to you. 

  • Our legitimate interests in protecting our Services from abuse, fraud, or security risks, or in developing, improving, or promoting our Services, including when we train our models. This may include the processing of Account Information, Content, Social Information, and Technical Information. 

  • Your consent when we ask for your consent to process your Personal Information for a specific purpose that we communicate to you. You have the right to withdraw your consent at any time.

  • Compliance with our legal obligations when we use your Personal Information to comply with applicable law or when we protect our or our affiliates’, users’, or third parties’ rights, safety, and property.




California Resident Rights

Under California Civil Code Sections 1798.83-1798.84, California residents are entitled to contact us to prevent disclosure of Personal Data to third parties for such third parties’ direct marketing purposes; in order to submit such a request, please contact us at support@theistari.co.

Your browser may offer you a “Do Not Track” option, which allows you to signal to operators of websites and web applications and services that you do not wish such operators to track certain of your online activities over time and across different websites. Our Services do not support Do Not Track requests at this time. To find out more about “Do Not Track,” you can visit www.allaboutdnt.com.

Nevada Resident Rights

Please note that we do not currently sell your Personal Data as sales are defined in Nevada Revised Statutes Chapter 603A.

  1. Changes to the Privacy Policy

We may update this Privacy Policy from time to time. When we do, we will post an updated version on this page, unless another type of notice is required by applicable law.

  1. Contact Information:

If you have any questions or comments about this Privacy Policy, the ways in which we collect and use your Personal Data or your choices and rights regarding such collection and use, please do not hesitate to contact us at:

  • support@theistari.co

  • Address:  450 Townsend St, San Francisco, California  94107



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