[{'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: In addition to placing web beacons on our own websites, we sometimes work with other companies to place our web beacons on their websites or in their advertisements. This helps us develop statistics on how often clicking on an advertisement on a Microsoft website results in a purchase or other action on the advertiser's website."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty, Identifier_Cookie_or_similar_Tech_3rdParty.'}]