[{'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 to Privacy Policy Any information that we collect is subject to the privacy policy in effect at the time such information is collected. We may, however, revise the Privacy Policy from time to time. Changes may be posted to our blog or within our Apps, so please check that regularly. The most current version will always be posted on our Privacy Policy page."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]