[{'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: Aggregated Usage and App Statistics We collect anonymous aggregated usage statistics of game play and configuration options. We use this information to determine how users play the App, how often certain features are used, etc. This information is used in aggregate form to help us improve the entertainment value of the App and to set priorities for future features."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]