[{'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: Such services may also employ unique identifiers that allow your activity to be monitored across multiple websites for purposes of delivering more targeted advertising to you."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_3rdParty, SSO.'}]