[{'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: In addition, the first time you visit a service that displays ads by AdHub, Ad Hub will assign your device a random ID number, which will be sent back to AdHub each time your device gets a new ad from AdHub. This allows AdHub to recognize your device across different websites or applications and serve you ads that are relevant to your needs and interests."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Ad_ID_1stParty.'}]