[{'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 also use cookies to collect information about which device and browser you use to access our sites so we can optimize your access and continually improve functionality. For example, we collect information about your browser type (e.g., Internet Explorer, Safari, or Firefox) and operating system (e.g., Windows, Mac-OS X, IOS, Android etc.), domain name of your Internet service provider, websites visited before and after visiting our sites, pages viewed and activities at our sites, and ads seen or clicked on. We also keep aggregated statistics about the visitors to our sites to help us continually improve how we deliver our online content. For example, we can determine if more visitors prefer certain features or pages to others, which helps us keep our sites fresh and interesting to Athletes."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]