[{'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 This Privacy Policy may be updated from time to time for any or no reason . We shall notify the changes in our Privacy Policy by posting the new Privacy Policy here. You are advised to check this Privacy Policy on a regular basis for any changes, as continued use is deemed approval of all changes."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]