[{'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: Electronic images may be contained within the Services known as web beacons - also referred to as single-pixel gifs - that permit us to count Users who have visited those pages and for other related statistics, e.g. recording the popularity of certain Content and verifying system and server integrity. Web beacons are not used to access your personal information through our Services; they are solely used to compile aggregate statistics concerning the use of our Services. Web beacons collect only a limited set of information including a cookie number, the time and date of a page view, and a description of the page on which the web beacon resides."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]