[{'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: Privacy Policy We value your privacy. This Privacy Policy applies to your usage of the software and services provided by Zello Inc ("Services"). We only collect your information in order to improve the Services and will never sell or share your information with other legal entities for commercial purposes,except in the cases when it\'s required as a part of the Services you requested.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]