[{'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 may use cookies to track general, non-personal information about our users (e.g., user name, pages viewed, time spent on our Site, and the websites visited just before and just after our Site) for statistical and market research purposes. The information is collected on an aggregated and anonymous basis. We use cookies to gather information about our Site users' browser activities in order to constantly improve our Site and to provide a better user interface to our visitors. This information assists us to design and arrange our web pages in a most user-friendly manner and to continually improve our Site to better meet the needs of our customers, prospective customers, and visitors."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]