[{'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: Information about all visitors collectively : We gather information about all of our users collectively, such as what areas users visit most frequently and what services users access the most. Such data is used anonymously and in the aggregate. This information helps us determine what is most beneficial for our users, and how we can continually create a better overall experience for them."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]