[{'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: This privacy policy may change to reflect changes in business practice, legislation, or market reality. Any changes will be posted here, and significant changes will either be broadcast on the Developer's blog or via email."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]