[{'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: Note: Our privacy policy may change at any time without prior notification. To make sure that you are aware of any changes, kindly review the policy periodically. This Privacy Policy shall apply uniformly to Paytm desktop website, Paytm mobile WAP site & Paytm mobile applications"}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]