[{'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 OUR PRIVACY POLICY We reserve the right, at our discretion, to revise or update this Privacy Policy at any time. Any material change will be effective five (5) days following posting the revised Privacy Policy (available from Start). The last revision will be reflected in the "Last Updated" heading. Your continued use of Start thereafter means you consent to such changes and your agreement to be bound by them. Please make sure to review our Privacy Policy periodically.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]