[{'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: From time to time, we review our security procedures to consider appropriate new technology and methods. All external transfers that contain personal information are done using encrypted technology. Please be aware though that, despite our best efforts, no security measures are perfect or impenetrable."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]