[{'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: What are tracking technologies? The "tracking technologies" that we use within WeChat include the following: A cookie is a small file containing a string of characters that is placed on your computer, mobile phone or other device when you access a website or other web content. Web beacons are electronic image files or other technologies that may be embedded within websites or emails that may be used to keep count of visitors, record when and if an email or website is viewed, or access certain cookies.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]