[{'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: When you install MSN Apps, we collect data that tells us if the app was installed properly, the installation date, the app version, and other data about your device such as the operating system and browser. This data is collected on a regular basis to help us determine the number of MSN App users and identify performance issues associated with different app versions, operating systems, and browsers."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]