[{'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: Changes to This Privacy Policy As Flipboard continues to develop, we may decide to revise this privacy policy from time to time. The most current version will govern our use of your information and will always be at https://flipboard.com/privacy, and older versions are available upon request. If we make changes that we think will substantially alter your rights, we will notify you by posting a notice on our website. You agree to accept any changes or revisions to this privacy policy by continuing to use Flipboard."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]