[{'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: The app has always been ad-free and has not been monetized, and will continue to be so. Barcode Scanner will not run ads or otherwise monetize. It is the work of many owners and would be difficult to fairly allocate revenue. It is open source and could be built without ads easily anyway."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]