[{'role': 'user', 'content': 'Analyze the following clause from a privacy policy and determine if it\'s fair or unfair. Also identify any privacy practices mentioned: Privacy Policy GENERAL At Duolingo, we know you care about your personal information, so we have prepared this privacy policy (our "Privacy Policy") to explain how we collect, use and share it. By using or accessing the Service, you agree to the terms of this Privacy Policy. Capitalized terms not defined here have the meanings set forth in the terms and conditions (the "Terms and Conditions"), located at https://www.duolingo.com/terms. We may update our Privacy Policy to reflect changes to our information practices. If we do this and the changes are material, we will post a notice that we have made changes to this Privacy Policy on the Website for at least 7 days after the changes are made, and we will indicate the date these terms were last revised at the bottom of the Privacy Policy. Any revisions to this Privacy Policy will become effective the earlier of (i) the end of that 7-day period or (ii) the first time you access or use the Service after any such changes.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]