[{'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: track and measure various performance and demographic parameters of advertising campaigns including without limitation, analyzing which ads your browser has loaded, which site pages you may have been viewing when the ads were delivered or accessed and your interaction with the ad."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Demographic_1stParty, Demographic_3rdParty, Identifier_Cookie_or_similar_Tech_1stParty, Identifier_Cookie_or_similar_Tech_3rdParty.'}]