[{'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: Analytics and Advertising Services Provided by Others We may let other companies use cookies, web beacons, and similar tracking technologies on our services. These companies may collect information about how you use our services and other websites and online services over time and across different services. This information may be used to, among other things, analyze and track data, determine the popularity of certain content, and better understand your online activity."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty.'}]