We do not sell your personal information to third parties What information do we collect? How we use the information we collect You can use many features of the Service without registering for an account or providing any other personal information. We collect information, including personal information, in a variety of ways which may vary according to your use of the Service and your account settings. We may also receive information from third party organizations with which we partner to provide educational services. If we combine or associate information from other sources with Personal Information that we collect through our Service, we will treat the combined information as Personal Information in accordance with this Privacy Policy. From time to time, Khan Academy may feature a special program or activity we offer in partnership with a third party. If you participate in these special programs, Khan Academy may collect personal information from you to facilitate those programs. We may collect and use information about your location (such as your country) or infer your approximate location based on your IP address in order to provide you with tailored educational experiences for your region, but we don't collect the precise geolocation of you or your device. To provide a personalized learning and high-quality experience for our users, we may use various technologies that automatically record certain technical information from your browser or device when you visit our website, read our emails, use our Service or otherwise engage with us. This information is typically collected through a variety of tracking technologies, including cookies, web beacons, Flash objects, log files, and similar technology (collectively, “tracking technologies”). These tracking technologies cookies collect information about how you use the Service (e.g., the pages you view, the links you click, and other actions you take on the Service), information about your browser and online usage patterns (e.g., Internet Protocol (“IP”) address, browser type, browser language, referring / exit pages and URLs, pages viewed, whether you opened an email, links clicked), We may collect analytics data, or use third-party analytics tools such as Google Analytics, to help us measure traffic and usage trends for the Sites and to understand more about the demographics of our users. We may also work with third party partners to employ technologies, including the application of statistical modeling tools, which permit us to recognize and contact you across multiple devices. Although we do our best to honor the privacy preferences of our users, we are unable to respond to Do Not Track signals set by your browser at this time. For example, cookies help us to: Track website usage for various purposes including sales, marketing, and billing. Most browsers are initially set up to accept cookies, but you can reset your browser to refuse all cookies or to indicate when a cookie is being sent. However, some features and services (particularly those that require you to sign-in) may not function properly if your cookies are disabled. We and our third-party partners may also use cookies and tracking technologies for advertising purposes. Certain features and functions of the Service shares or makes your information accessible to others. As with most online services, once you make your Personal Information available to others online, it may be collected and used by the recipients or any other website visitor without restriction. You may wish to use a nickname or alias in your profile if you do not want your personal information shared with others in this way. You may provide consent or authorization to share your personal information with third party applications or services in several ways. Please note that these third parties are not governed by Khan Academy or the terms of this Privacy Policy. We recommend you review the privacy policy of any third party application or service before authorizing access to your Khan Academy account information. We may use data which has been de-identified and/or aggregated for product development, research, analytics and other purposes, including for the purpose of analyzing, improving, or marketing the Khan Academy Services. We will share data with employees and service providers. Khan Academy may share information with our employees and trusted vendors, third party service providers and other individuals to provide services or products for us or on our behalf, which could include analytics, hosting, marketing and similar services. When we share personal information with third party service providers or vendors, these third parties are contractually obligated to maintain the security and confidentiality of that personal information. In the event that Khan Academy is involved in a merger, acquisition, bankruptcy, change of control, or any form of sale of some or all of our assets, your personal information may be transferred or disclosed in connection with such business transaction. If the transaction involves the transfer of Student Records to a third party, we will require the new owner to continue to honor the terms provided in this Privacy Policy, or we will provide the School with notice and an opportunity to opt-out of the transfer of Student Records by deleting Student Records before the transfer occurs. Khan Academy may release Personal Information if we have a good faith belief that access, use, preservation, or disclosure of such information is reasonably necessary to (a) satisfy any applicable law, regulation, legal process, or enforceable governmental request. (b) enforce applicable Terms of Service, including investigation of potential violations thereof. (c) investigate and defend ourselves against any third-party claims or allegations. (d) detect, prevent or otherwise address fraud, security or technical issues. (e) protect the rights, property, or personal safety of Khan Academy, our users, or the public. or (f) as required or permitted by law. As a non-profit organization, Khan Academy relies on our sponsors, donors, and other contributors to provide funding necessary to provide the free Service to our users. Please note: From time to time, we may display YouTube video content created by third parties and not by Khan Academy. While Khan Academy-created video content does not display video advertisements, third party content may include advertising which we cannot control. Khan Academy does not display any targeted advertising on our Service. However, we participate in interest-based advertising and use third party advertising companies to serve you targeted advertisements on other websites, apps or services, including on Facebook and other social networks, or on other devices you may use. These third party ad networks use tracking technologies to recognize your browser or device and to collect information about your visit to our Service to provide you customized content, advertising and commercial messages which may be more relevant to your interests, as well as to provide advertising-related services such as reporting, attribution, analytics and market research. To learn about interest-based advertising and how you may be able to opt-out of some of this advertising, you may wish to visit the Network Advertising Initiative’s online resources, at http://www.networkadvertising.org/choices, and/or the DAA's resources at http://www.aboutads.info/choices. You may also manage certain advertising cookies by visiting the EU-based Your Online Choices at http://www.youronlinechoices.eu/. You may also be able to limit interest-based advertising through the settings on your mobile device by selecting “limit ad tracking” (iOS) or “opt-out of interest based ads” (Android). You may also be able to opt-out of some – but not all – interest-based ads served by mobile ad networks by visiting http://youradchoices.com/appchoices and downloading the mobile AppChoices app. You can choose to not provide us with Personal Information.You may always decline to provide your Personal Information with Khan Academy. Khan Academy may, from time to time, send you email regarding our products and services, or products and services we think you may enjoy. Only Khan Academy (or our vendors or service providers operating on our behalf) will send you these emails. You can choose not to receive these emails by clicking the unsubscribe link in any e-mail or via your Settings page at https://www.khanacademy.org/settings/email. Please note that you are not permitted to unsubscribe or opt-out of non-promotional messages regarding your account, such as account verification, changes or updates to features of the Service, or technical or security notices. To request deletion or de-identification of a specific question, answer or other post displayed publicly on the Service, please email us at privacy@khanacademy.org for assistance. Please note that removal of your content or information does not ensure complete or comprehensive removal, as there may be de-identified or recoverable elements of your content or information on our servers in some form. Additionally, we will not remove content or information that we may be required to retain under applicable federal and state laws. How to delete your information.To request deletion of your personal information at any time, please log into your account and select ”delete your account“ through Settings. We may not be able to delete data in all instances, such as information retained in technical support logs and other business records. We will not be required to delete any information which has been de-identified or disassociated with personal identifiers such that it can no longer be used to reasonably identify a particular individual. Once we receive your transmission of information, Khan Academy makes commercially reasonable efforts to ensure the security of our systems. When you enter sensitive information, we encrypt the transmission of that information using secure socket layer technology (SSL) or similar technologies. However, please note that this is not a guarantee that such information may not be accessed, disclosed, altered, or destroyed by breach of any of our physical, technical, or managerial safeguards. In the event that any information under our control is compromised as a result of a breach of security, we will take reasonable steps to investigate the situation and will notify you of the security incident in accordance with applicable laws and regulations. We will never sell Student Records unless the sale is part of a corporate transaction, such as a merger, acquisition, bankruptcy, or other sale of assets, in which case we will require the new owner to continue to honor the terms provided in this Privacy Policy or we will provide the School with notice and an opportunity to opt-out of the transfer of Student Records by deleting the Student Records before the transfer occurs. Khan Academy may modify or revise this Privacy Policy from time to time. Khan Academy will notify users of any changes to our Privacy Policy by posting the revised Privacy Policy with an updated date of revision on our Service. You may also wish to visit the Khan Academy Help Center and Common Questions and Resources page, which hosts useful FAQs and information that you may find helpful. 

Summary:
This service does not sell your personal data. The service provides details about what kinds of personal information they collect. The service provides information about how they intend to use your personal data. No need to register. The service collects many different types of personal data. This service gathers information about you through third parties. Your profile is combined across various products. The service may collect extra data about you through promotions. This service may collect, use, and share location data. The service may use tracking pixels, web beacons, browser fingerprinting, and/or device fingerprinting on users.. This service collects your IP address, which can be used to view your approximate location. This service tracks which web page referred you to it. Tracking pixels are used in service-to-user communication. This service uses third-party cookies for statistics. Third parties may be involved in operating the service. This service ignores the Do Not Track (DNT) header and tracks users anyway even if they set this header.. This service requires first-party cookies. This service may use your personal information for marketing purposes. Blocking first party cookies may limit your ability to use the service. Tracking via third-party cookies for other purposes without your consent.. The service informs users about the risk of publishing personal info online. The service informs users that its privacy policy does not apply to third party websites. Your personal data is aggregated into statistics. Your personal data is given to third parties. Third parties used by the service are bound by confidentiality obligations. The service can sell or otherwise transfer your personal data as part of a bankruptcy proceeding or other type of financial transaction.. Promises will be kept after a merger or acquisition. This service reserves the right to disclose your personal information without notifying you. The service is not responsible for linked or (clearly) quoted content from third-party content providers. The service uses your personal data to employ targeted third-party advertising. You can opt out of targeted advertising. You can limit how your information is used by third-parties and the service. You can opt out of promotional communications. The service provides a complaint mechanism for the handling of personal data. This service may keep personal data after a request for erasure for business interests or legal obligations. You can request access and deletion of personal data. The service may keep a secure, anonymized record of users' data for analytical purposes even after the data retention period. The user is informed about security practices. The services will notify users if personal data has been affected by data breaches. The service may sell your data unless you opt out. The service reviews its privacy policy on a regular basis. The service provides a free help desk.