[{'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: We may feature advertisements served by third parties that deliver cookies to your device so the content you access and advertisements you see can be tracked. Since the third party advertising companies associate your computer/device with a number, they will be able to recognize your device each time they send you an advertisement. These advertisers may use information about your visits to our Service and third party sites and applications in order to measure advertisement performance and to provide advertisements about goods and services of interest to you."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty, Identifier_Device_ID_3rdParty.'}]