[{'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: Advertising on our websites and in applications Our websites and applications may feature ads for other companies' products and services, as well as ads for our own applications. We collect information about ad views for reporting purposes using tools like pixels tags (for example, to see how many total unique views of an ad there are)."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]