Privacy Policy

Last Updated: March 1, 2019
We're serious about safeguarding your personal information. This privacy policy ("Policy") describes how Pubmark Inc. d/b/a BookBub ("Company") collects, uses and shares personal information of consumer users of our websites located at and, our mobile applications ("Applications") (collectively, the "Sites") and our online services through BookBub and Chirp ("Services"). This Policy also applies to any of our other websites that post this Policy.


Who We Are.
For the purpose of applicable data protection legislation, the data controller of your personal information is Pubmark Inc., One Broadway, Cambridge, MA 02142. Our Data Protection Officer can be reached at
Must-Read Sections.
We draw your attention in particular to the sections entitled "International Data Transfer" and "Information Choices and Changes."
Changes to This Policy.
We will post any modifications or changes to the Policy on our Sites and Services. We reserve the right to modify the Policy at any time, so we encourage you to review it frequently. The "Last Updated" legend above indicates when this Policy was last changed. If we make any material changes to the Policy, we will post a notice on our Sites prior to those changes taking effect.


There’s a range of information we need to collect about you so that we can operate our sites. This information may include:


We use the information we collect in the following ways:


We may share your personal information as follows:


When we use the term "anonymous data," we’re referring to data and information that doesn’t permit you to be identified or identifiable, either alone or when combined with any other information available to a third party.
We may create anonymous data from the personal data we receive about you and other individuals whose personal data we collect. Anonymous data might include analytics information and information collected by us using cookies. We make personal data into anonymous data by excluding information, such as your name, that makes the data personally identifiable to you. We use this anonymous data to analyze usage patterns in order to make improvements to our sites.


If you have a social profile on BookBub, then certain information may be publicly visible, including your name and username; other users you’re following; and your reactions, ratings, and reviews that you share with other BookBub users. If you haven't created a social profile, then we may have created one for you using the information you have previously provided, including parts of your email address, to facilitate interacting with features on the site. You can control the information that is publicly visible on your profile by adjusting your privacy settings.
We urge you to be very careful when deciding to disclose your personal information, or any other information, on our sites.


We use several types of cookies on our sites:
You can typically remove and reject cookies from our sites with your browser settings. For step-by-step instructions, please check your browser’s help section. Here are links for popular browsers: Chrome, Firefox, and Internet Explorer. If you remove or reject our cookies, it could affect how our sites work for you.


We may use interest-based advertising to place advertisements on third-party websites. Certain companies will use cookies and other information about your visits to our sites and other websites in order to provide advertisements for products and services (including those of third parties) that may be of interest to you. To learn more about this practice, please visit,, or
To opt-out of interest-based advertising placed by us on third-party websites via Google, you can opt-out on Google’s Ads Settings.
To opt-out of interest-based advertising placed by us on third-party websites via the AppNexus network, you can opt-out on the AppNexus website.
Mobile devices.
To opt-out of interest-based advertising from us in apps on mobile devices, please check the instructions for your operating system: iOS or Android.
We may provide certain third-party service providers with anonymized, non-identifying information about you that enables them to deliver advertisements within emails we send you. To learn more about these service providers and how they collect and use information about you, please visit


We use Google Analytics, a service which collects information anonymously and reports website trends without identifying individual visitors. Google Analytics uses its own cookie to track visitor interactions. To learn more about the information collected by Google Analytics, please visit


We use Google reCAPTCHA, which identifies bots by collecting hardware and software information and sending that data to Google for analysis. To learn more about Google reCAPTCHA, please visit and


You can contact us any time to opt-out of (a) promotional communications, (b) any new processing of your personal information that we may carry out beyond the original purpose, or (c) the transfer of your personal information outside the EEA. Please note that your use of some of the Sites or Services may be ineffective upon opt-out.
You can access the information we hold about you at any time by viewing your account on our sites or by contacting us directly.
You can also contact us to update or correct any inaccuracies in your personal information.
Your personal information is portable — i.e. you have the flexibility to move your data to other service providers as you wish.
Erase and forget.
In certain situations, for example when the information we hold about you is no longer relevant or is incorrect, you can request that we erase your data. You may have an account on BookBub, Chirp, or both sites. If you wish to exercise any of these rights, please contact us (BookBub, Chirp). In your request, please make clear (a) what personal information is concerned, and (b) which of the above rights you would like to enforce. For your protection, we may only implement requests with respect to the personal information associated with the particular email address that you use to send us your request, and we may need to verify your identity before implementing your request. We will try to comply with your request as soon as reasonably practicable. Please note that we may need to retain certain information for recordkeeping purposes and/or to complete any transactions that you began prior to requesting the change or deletion unless a longer retention period is required or permitted by law (for example, for regulatory purposes). When you receive promotional emails from us, you can also unsubscribe or opt-out by clicking the link at the bottom of any of the emails. You can’t opt-out of receiving administrative communications. In order to use our sites, you need to provide us with your email address. If you cannot provide us with your email address, you cannot use our sites.


Your information, including personal data that we collect from you, may be transferred to, stored at and processed by us and other third parties outside the country in which you reside, including, but not limited to the United States, where data protection and privacy regulations may not offer the same level of protection as in other parts of the world. By using our sites, you agree to this transfer, storing or processing. We will take all steps reasonably necessary to ensure that your data is treated securely and in accordance with this Policy. We will only process your personal information in accordance with applicable data protection and privacy laws. We need certain personal information in order to provide you with access to our sites. If you are an EU resident and you registered with us, you will have been asked to check a box indicating your agreement to provide this information in order to access our services. This consent provides us with the legal basis we require under applicable law to process your information. You maintain the right to withdraw such consent at any time. If you do not agree to our use of your personal information in line with this Policy, please do not use our sites. You can only use Chirp if you reside in the United States.


Subject to the next paragraph, we ask that you not send us, and you do not disclose, any sensitive personal data (e.g., social security numbers, information related to racial or ethnic origin, political opinions, religion or other beliefs, health, biometrics or genetic characteristics, criminal background or trade union membership) on or through our sites or otherwise to us. If you send or disclose any sensitive personal data to us when you submit user-generated content to BookBub, you consent to our processing and use of such sensitive personal data in accordance with this Policy. If you do not consent to our processing and use of such sensitive personal data, you must not submit such user-generated content to BookBub.


Our sites are not directed at children under 16. If a parent or guardian becomes aware that their child has provided us with information without their consent, they should contact us (BookBub, Chirp), and we will delete such information as soon as reasonably practicable.


We often receive testimonials and comments from users who have had positive experiences with our services, and we occasionally publish them. We obtain the user’s consent prior to posting any feedback on a public area of our sites.


Thanks for using our sites, and for reviewing our Privacy Policy. We welcome your comments or questions about this Privacy Policy. If you have any feedback, we encourage you to contact us (BookBub, Chirp).