Last Updated: August 1, 2019 PLEASE READ THE FOLLOWING TERMS OF SERVICE CAREFULLY. BY REGISTERING FOR, ACCESSING, BROWSING, OR USING THE WEBSITE, YOU ACKNOWLEDGE THAT YOU HAVE READ, UNDERSTOOD, AND AGREE TO BE BOUND BY THE FOLLOWING TERMS AND CONDITIONS, INCLUDING THE KHAN ACADEMY PRIVACY POLICY AND ANY ADDITIONAL GUIDELINES (AS DEFINED BELOW) (COLLECTIVELY, THE "TERMS"). 1. Eligibility. Accounts. THE WEBSITE IS NOT AVAILABLE TO (A) ANY USERS PREVIOUSLY SUSPENDED OR REMOVED FROM THE WEBSITE BY KHAN ACADEMY OR (B) ANY PERSONS UNDER THE AGE OF 13 WHOSE REGISTRATION HAS NOT BEEN APPROVED BY A LEGAL PARENT OR GUARDIAN (OR, FOR SCHOOL ACCOUNTS, BY SCHOOL PERSONNEL AS PERMITTED UNDER THE TERMS). THE WEBSITE IS NOT AVAILABLE TO (A) ANY USERS PREVIOUSLY SUSPENDED OR REMOVED FROM THE WEBSITE BY KHAN ACADEMY OR (B) ANY PERSONS UNDER THE AGE OF 13 WHOSE REGISTRATION HAS NOT BEEN APPROVED BY A LEGAL PARENT OR GUARDIAN (OR, FOR SCHOOL ACCOUNTS, BY SCHOOL PERSONNEL AS PERMITTED UNDER THE TERMS). By clicking the "I Agree" button or by otherwise using or registering an account for the Services, you represent that (i) you are a US resident at least 13 years of age, or (ii) you are not a US resident, and are of legal age of consent to open an account under the laws of your country of residence, or (iii) your use of the Services has been approved by your parent or legal guardian, or by your school or teacher for school use. you are a US resident at least 13 years of age You also represent that you have not been previously suspended or removed from the Services by Khan Academy, and that your registration and your use of the Services is in compliance with any and all applicable laws. You are solely responsible for maintaining the confidentiality of your account and password, and you agree to accept responsibility for all activities that occur under your account or password. You agree that the information you provide to Khan Academy, whether at registration or at any other time, will be true, accurate, current, and complete. You also agree that you will ensure that this information is kept accurate and up-to-date at all times. If you have reason to believe that your account is no longer secure (e.g., in the event of a loss, theft, or unauthorized disclosure or use of your account ID or password), then you agree to immediately notify Khan Academy at khan.co/KA-support.  gister as a Child User of the Services, you may register a parent account on the Services ("Parent User"). Through a Parent User account, you may create, register, manage and approve Child User accounts only for your User account is not transferred to or assumed by a valid Parent User account or personal account for a Student of eligible age. CABLE REQUIREMENTS OF AN EXEMPTION FROM OR EXCEPTION TO PARENTAL CONSENT REQUIREMENTS, NECESSARY FOR YOU TO REGISTER THE SCHOOL USER FOR THE WEBSITE AND PROVIDE TO KHAN ACADEMY THE INFORMATION  4.1 General. Upon opening an account, you accept the Terms in the form posted on our website. Khan Academy reserves the right, at our discretion, to change, modify, add, or remove portions of the Terms at any time. Please check the Terms and any Guidelines periodically for changes that are made after you open your account. Your continued use of the Services after the posting of changes constitutes your binding acceptance of such changes. For any material changes to the Terms, Khan Academy will make reasonable effort to provide notice to you of such amended Terms, such as by an email notification to the address associated with your account or by posting a notice on the Services, and such amended terms will be effective against you on the earlier of (i) your actual notice of such changes and (ii) thirty days after Khan Academy makes reasonable attempt to provide you such notice. However, changes addressing new functions for a service or changes made for legal reasons will be effective immediately. If you do not agree to the modified Terms, you must discontinue your use of the Services. Disputes arising under these Terms will be resolved in accordance with the version of the Terms in place at the time the dispute arose. 5.1 User Content and Ownership. Khan Academy may permit (a) the posting and/or publishing by you and other Users of notes, questions, comments, ratings, reviews, images, videos and other audio-visual materials and communications (collectively, "User Postings") and (b) the posting, creation, or modification by you and other users of computer code (including source code and object code) ("User Code") (User Postings and User Code, collectively, "User Content"). You understand that whether or not such User Content is published, Khan Academy does not guarantee any confidentiality with respect to any submissions. Consistent with Applicable Law, as between Khan Academy and you, you retain all ownership rights you have in any User Content you post or publish to the Services, and Khan Academy does not claim any ownership rights in or to such User Content. You acknowledge that are solely responsible for your User Content and the consequences of posting, creating, or publishing such User Content. By posting, submitting or distributing User Content on or through the Services, you hereby grant to Khan Academy a worldwide, non-exclusive, transferable, assignable, fully paid-up, royalty-free right and license to (a) host, transfer, display, perform, reproduce, distribute, prepare derivative works of, use, make, have made, import, and otherwise exploit your User Content, in whole or in part, in any media formats and through any media channels (now known or hereafter developed, to the extent consistent with applicable law and Khan Academy's Privacy Policy). Such license is perpetual and irrevocable, except to the extent required to comply with Applicable Privacy Law relating to ownership and control of your personal information, including education records. With respect to School Accounts, consistent with Applicable Privacy Law, as between Khan Academy and you, you (or your school, as applicable) retain all ownership rights you have in any User Content to the extent such content is an education record. KHAN ACADEMY HEREBY DISCLAIMS ANY AND ALL LIABILITY WITH RESPECT TO ANY UNAUTHORIZED ACCESS TO ANY RESTRICTED USER CONTENT. Khan Academy does not endorse any User Content or any opinion, recommendation or advice expressed therein It is Khan Academy's policy to respond to notices of alleged copyright infringement that comply with the Digital Millennium Copyright Act. For more information, please go to Khan Academy's DMCA Notification Guidelines athttps://www.khanacademy.org/about/dmca. Khan Academy will promptly terminate without notice your access to the Services if you are determined by Khan Academy to be a "repeat infringer." A repeat infringer is a User who has been notified by Khan Academy of infringing activity violations more than twice and/or who has had User Content or any other user-submitted content removed from the Services more than twice. Khan Academy grants to you a non-exclusive, non-transferable right to access and use the Licensed Educational Content as made available on the Services by Khan Academy solely for your personal, non-commercial purposes. 8.3 post, upload, or distribute any defamatory, libelous, or inaccurate User Content or other content; 8.4 post, upload, or distribute any User Content or other content that is unlawful or that a reasonable person could deem to be objectionable, offensive, indecent, pornographic, harassing, threatening, embarrassing, distressing, vulgar, hateful, racially or ethnically offensive, or otherwise inappropriate; 8.9 make unsolicited offers, advertisements, proposals, or send junk mail or spam to other Users of the Services (including, but not limited to, unsolicited advertising, promotional materials, or other solicitation material, bulk mailing of commercial advertising, chain mail, informational announcements, charity requests, and petitions for signatures); 8.10 use the Services for any illegal purpose, or in violation of any local, state, national, or international law, including, without limitation, laws governing intellectual property and other proprietary rights, and data protection and privacy; intentionally interfere with or damage operation of the Services or any user's enjoyment of it, by any means, including without limitation by participation in any denial-of-service type attacks or by uploading or otherwise disseminating viruses, adware, spyware, worms, or other malicious code. Khan Academy, in its sole discretion, for any or no reason, and without penalty, may suspend or terminate any account (or any part thereof) you may have with Khan Academy or your use of the Services and remove and discard all or any part of your account, User profile, and User Content, at any time.  Khan Academy may also in its sole discretion and at any time discontinue providing access to the Services, or any part thereof, with or without notice. As discussed herein, Khan Academy does not permit copyright, trademarks, or other intellectual property infringing activities on the Services, and will terminate access to the Services, and remove all User Content or other content submitted, by any Users who are found to be repeat infringers. You may terminate these Terms at any time (prospectively only) by deleting your login account with the Services and discontinuing use of any and all parts of the Services. You agree, to the extent permissible under your state's laws, to indemnify, defend, and hold harmless Khan Academy, and its parent, successors, affiliated companies, contractors, officers, directors, employees, agents and its third-party suppliers, licensors, and partners ("Khan Academy Parties") from and against all losses, damages, liabilities, demands, judgments, settlements, costs and expenses of any kind (including legal fees and expenses), from any claim or demand made by any third-party relating to or arising out of (i) your access to, use or misuse of the Services. (ii) your breach or alleged breach of these Terms, or any violation of the Terms. (iii) any breach of the representations, warranties, and covenants made herein, whether by you or by any Child User or School User whose account you have approved as a Parent User or School Personnel. (iv) your failure to comply with Applicable Laws (including any failure to obtain or provide any necessary consent or notice). (v) the infringement by you or any third-party using your account of any intellectual property, privacy, or other right of any person or entity, including in connection with your User Content, or (vi) your breach or alleged breach of any interaction, agreement, or policy between you and any other Users. 12. Indemnification. You agree, to the extent permissible under your state's laws, to indemnify, defend, and hold harmless Khan Academy, and its parent, successors, affiliated companies, contractors, officers, directors, employees, agents and its third-party suppliers, licensors, and partners ("Khan Academy Parties") from and against all losses, damages, liabilities, demands, judgments, settlements, costs and expenses of any kind (including legal fees and expenses), from any claim or demand made by any third-party relating to or arising out of (i) your access to, use or misuse of the Services. (ii) your breach or alleged breach of these Terms, or any violation of the Terms. (iii) any breach of the representations, warranties, and covenants made herein, whether by you or by any Child User or School User whose account you have approved as a Parent User or School Personnel. (iv) your failure to comply with Applicable Laws (including any failure to obtain or provide any necessary consent or notice). (v) the infringement by you or any third-party using your account of any intellectual property, privacy, or other right of any person or entity, including in connection with your User Content, or (vi) your breach or alleged breach of any interaction, agreement, or policy between you and any other Users. Khan Academy reserves the right, at your expense, to assume the exclusive defense and control of any matter for which you are required to indemnify Khan Academy, and you agree to cooperate with Khan Academy's defense of these claims. You agree not to settle any such matter without the prior written consent of Khan Academy. Khan Academy will use reasonable efforts to notify you of any such claim, action, or proceeding upon becoming aware of it. 13.1 No Warranties. THE WEBSITE, AND ALL DATA, INFORMATION, SOFTWARE, WEBSITE MATERIALS, CONTENT (WHETHER OWNED OR LICENSED), USER CONTENT, REFERENCE SITES, SERVICES, OR APPLICATIONS MADE AVAILABLE IN CONJUNCTION WITH OR THROUGH THE WEBSITE (THE "KHAN ACADEMY OFFERINGS"), ARE PROVIDED ON AN "AS IS," "AS AVAILABLE," AND "WITH ALL FAULTS" BASIS. TO THE FULLEST EXTENT PERMISSIBLE PURSUANT TO APPLICABLE LAW, THE KHAN ACADEMY PARTIES DISCLAIM ANY AND ALL WARRANTIES AND CONDITIONS OF ANY KIND, WHETHER STATUTORY, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ALL IMPLIED WARRANTIES OF MERCHANTABILITY, QUALITY, AVAILABILITY, QUIET ENJOYMENT, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT. NO ADVICE OR INFORMATION, WHETHER ORAL OR WRITTEN, OBTAINED BY YOU FROM KHAN ACADEMY OR THROUGH THE WEBSITE WILL CREATE ANY WARRANTY NOT EXPRESSLY STATED HEREIN. 13.2 Content. KHAN ACADEMY, AND THE KHAN ACADEMY PARTIES, DO NOT WARRANT THAT THE WEBSITE OR ANY DATA, USER CONTENT, FUNCTIONS, OR ANY OTHER INFORMATION OFFERED ON OR THROUGH THE WEBSITE WILL BE UNINTERRUPTED, OR FREE OF ERRORS, VIRUSES OR OTHER HARMFUL COMPONENTS, AND DO NOT WARRANT THAT ANY OF THE FOREGOING WILL BE CORRECTED. KHAN ACADEMY AND THE KHAN ACADEMY PARTIES MAKE NO REPRESENTATION OR WARRANTY THAT (1) THE KHAN ACADEMY OFFERINGS WILL (A) MEET YOUR REQUIREMENTS OR EXPECTATIONS, OR BE TO YOUR LIKING, OR (B) WILL BE TIMELY, SECURE, ACCURATE, FREE FROM ERRORS OR LOSS, OR UNINTERRUPTED, (2) THAT THE SERVICES ARE FREE FROM VIRUSES OR OTHER HARMFUL COMPONENTS, OR (3) THAT ANY DEFECTS OR ERRORS WILL BE CORRECTED. SOME FEATURES MAY BE NEW OR EXPERIMENTAL AND MAY NOT HAVE BEEN TESTED IN ANY MANNER.  YOU UNDERSTAND AND AGREE THAT YOUR USE, ACCESS, DOWNLOAD, OR OTHERWISE OBTAINING OF CONTENT, WEBSITE MATERIALS, SOFTWARE, OR DATA THROUGH THE WEBSITE (INCLUDING THROUGH ANY API'S) IS AT YOUR OWN DISCRETION AND RISK, AND THAT YOU WILL BE SOLELY RESPONSIBLE FOR ANY DAMAGE TO YOUR PROPERTY (INCLUDING YOUR COMPUTER SYSTEM) OR LOSS OF DATA THAT RESULTS THEREFROM. UNDER NO CIRCUMSTANCES, INCLUDING, BUT NOT LIMITED TO, NEGLIGENCE, WILL KHAN ACADEMY OR THE KHAN ACADEMY PARTIES BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, CONSEQUENTIAL, PUNITIVE, RELIANCE, OR EXEMPLARY DAMAGES (INCLUDING WITHOUT LIMITATION DAMAGES ARISING FROM ANY UNSUCCESSFUL COURT ACTION OR LEGAL DISPUTE, LOST BUSINESS, LOST REVENUES OR PROFITS, LOSS OF DATA, OR ANY OTHER PECUNIARY OR NON-PECUNIARY LOSS OR DAMAGE OF ANY NATURE WHATSOEVER) EVEN IF KHAN ACADEMY OR A KHAN ACADEMY PARTIES HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING OUT OF OR RELATING (i) TO THE TERMS. (ii) YOUR USE OF (OR INABILITY TO USE) THE WEBSITE OR THE KHAN ACADEMY OFFERINGS, OR (iii) ANY OTHER INTERACTIONS WITH KHAN ACADEMY OR ANY THIRD-PARTY THROUGH OR IN CONNECTION WITH THE KHAN ACADEMY OFFERINGS, INCLUDING OTHER USERS,. APPLICABLE LAW MAY NOT ALLOW THE LIMITATION OR EXCLUSION OF LIABILITY OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. IN SUCH CASES, KHAN ACADEMY'S LIABILITY WILL BE LIMITED TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW. a) User Disputes. Khan Academy is not responsible for the actions, content, information or data of other third parties, including other Users. You are solely responsible for your interactions with other users of the Services, and any other parties with whom you interact through the Service. You should make whatever investigation you feel necessary or appropriate before proceeding with any online or offline interaction with any other person. We reserve the right, but have no obligation, to become involved in any way with these disputes The failure of Khan Academy to exercise or enforce any right or provision of the Terms will not constitute a waiver of such right or provision. The Terms will be governed by and construed in accordance with the laws of the State of California, without giving effect to any principles of conflicts of law that would cause the application of the laws of any other jurisdiction. li> 15.4 Dispute Resolution and Arbitration. PLEASE READ THIS SECTION CAREFULLY BECAUSE IT AFFECTS YOUR RIGHTS. BY AGREEING TO BINDING ARBITRATION, YOU WAIVE YOUR RIGHT TO LITIGATE DISPUTES THROUGH A COURT AND TO HAVE A JUDGE OR JURY DECIDE YOUR CASE. (a) Generally. In order to expedite and control the cost of disputes, Khan Academy and you agree that any legal or equitable claim, dispute, action or proceeding arising from or related to your use of the Services or these Terms ("Dispute") will be resolved as follows to the fullest extent permitted by law: (b) Notice of Dispute. In the event of a Dispute, you or Khan Academy must give the other a written statement that sets forth the name, address, and contact information of the party giving it, the facts giving rise to the Dispute, and a proposed solution (a "Notice of Dispute"). You must send any Notice of Dispute by first class U.S. Mail to Khan Academy at P.O. Box 1630, Mountain View, CA 94042 and also via e-mail to notices@khanacademy.org. Khan Academy will send any Notice of Dispute to you by first class U.S. Mail to your address if Khan Academy has it, or otherwise to your e-mail address. You and Khan Academy will attempt in good faith to resolve any Dispute through informal negotiation within sixty (60) days from the date the Notice of Dispute is sent. After sixty (60) days, you or Khan Academy may commence arbitration. (c) Binding Arbitration. Any Dispute which has not been resolved by negotiation as provided herein within sixty (60) days or such time period as you and Khan Academy may otherwise agree, shall be finally resolved by binding arbitration as described in this Section 15.4. You are giving up the right to litigate (or participate in as a party or class member) all Disputes in court before a judge or jury. Instead, all Disputes will be resolved before a neutral arbitrator, whose decision will be final except for a limited right of appeal under the Federal Arbitration Act. The place of arbitration shall be Santa Clara County, California. Any court with jurisdiction over the parties may enforce the arbitrator's award.  (h) Venue. In the event that any Dispute cannot be resolved by binding arbitration in accordance with this Section 15.4, you agree that such Dispute will be filed only in the state or federal courts in and for Santa Clara County, California, and each of you and Khan Academy hereby consent and submit to the personal and exclusive jurisdiction of such courts for the purpose of litigating any such action. Notwithstanding this, Khan Academy shall still be allowed to apply for injunctive or other equitable relief to protect or enforce its intellectual property rights in any court of competent jurisdiction. 15.9 Entire Agreement. The Terms, the Privacy Policy and Guidelines constitute the entire agreement between you and Khan Academy relating to the subject matter herein and will not be modified except in writing, signed by both parties, or by a change to the Terms, Privacy Policy or Guidelines made by Khan Academy as set forth in Section 4 above. 

Summary:
There is a date of the last update of the terms. Instead of asking directly, this Service will assume your consent merely from your usage.. This service is only available to users of a certain age. Users who have been permanently banned from this service are not allowed to re-register under a new account. This service is only available to users of a certain age. This service is only available to users over a certain age. This service is only available to users over a certain age. Users who have been permanently banned from this service are not allowed to re-register under a new account. You are responsible for maintaining the security of your account and for the activities on your account. You must provide your legal name, pseudonyms are not allowed. You must report to the service any unauthorized use of your account or any breach of security. Your profile is combined across various products. This service is only available to users over a certain age. Third parties may be involved in operating the service. The service may change its terms at any time, but the user will receive notification of the changes.. You maintain ownership of your data. The service has non-exclusive use of your content. This service can license user content to third parties. This service employs a broad copyright license over user content including the right to distribute through any media. This service keeps a license on user-generated content even after users close their accounts.. You maintain ownership of your content. This service assumes no liability for unauthorized access to your personal information. This service does not condone any ideas contained in its user-generated contents. If you are the target of a copyright claim, your content may be removed. This service is only available for use individually and non-commercially.. Users agree not to submit libelous, harassing or threatening content. Prohibits the posting of pornographic content. This service prohibits users sending chain letters, junk mail, spam or any unsolicited messages. Users agree not to use the service for illegal purposes. Users shall not interfere with another person's enjoyment of the service. The service can delete your account without prior notice and without a reason. The service can delete specific content without prior notice and without a reason. They may stop providing the service at any time. User accounts can be terminated after having been in breach of the terms of service repeatedly. You have the right to leave this service at any time. You agree to defend, indemnify, and hold the service harmless in case of a claim related to your use of the service. You are solely responsible for claims made against the service and agree to indemnify and hold harmless the service.. The service is provided 'as is' and to be used at the users' sole risk. The service provider makes no warranty regarding uninterrupted, timely, secure or error-free service. Users are responsible for any risks, damages, or losses they may incur by downloading materials. This service assumes no liability for any losses or damages resulting from any matter relating to the service. This service cannot be held responsible for disputes that you may have with other users. Failure to enforce any provision of the Terms of Service does not constitute a waiver of such provision. The court of law governing the terms is in a jurisdiction that is friendlier to user privacy protection.. This service forces users into binding arbitration in the case of disputes. You waive your right to a class action.. Users have a reduced time period to take legal action against the service. The court of law governing the terms is in location X. This service employs separate policies for different parts of the service.