[{'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: J. CHANGES TO THIS PRIVACY POLICY Our Privacy Policy may change from time to time, we will post any privacy policy changes on this page, so please review it periodically. We may provide you additional forms of notice of modifications or updates as appropriate under the circumstances."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]