[{'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: Please review the Privacy Policy each time You use the Service. BY USING THE SERVICE, YOU AGREE TO BE BOUND BY THE MOST RECENT VERSION OF THE PRIVACY POLICY. If We materially change this Privacy Policy, We'll let You know by showing it to You again when You access the Service and/or updating the apps."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]