[{'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: Our Use of Web Beacons and Analytics Services Microsoft web pages may contain electronic images known as web beacons (also called single-pixel gifs) that we use to help deliver cookies on our websites, count users who have visited those websites and deliver co-branded products. We also include web beacons in our promotional email messages or newsletters to determine whether you open and act on them."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty, Identifier_Cookie_or_similar_Tech_1stParty.'}]