[{'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 and third party advertising companies may collect information using Web beacons. Web beacons or "gifs", are electronic images that may be used on our Site, in our Service or in our emails. We use Web beacons to deliver cookies, count visits and to tell if an email has been opened and acted upon. Advertisers may use web beacons in connection with our Service in order to collect and use data regarding advertisement performance and your interests for the purpose of delivering relevant advertising to you.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty, Identifier_Cookie_or_similar_Tech_3rdParty.'}]