[{'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: Crash Reporting: We currently use two Crash Reporting services on our mobile applications: Firebase Crash Reporting provided by Google and Fabric Crashlytics provided by Twitter, Inc. To enhance your user experience and to improve the stability of mobile applications, Avast uses Crash Reporting services to collect information about the devices that you use and your use of our applications (for example the timestamp of when you launched the application and when the crash occurred) which enables us to diagnose and resolve problems. If you do however wish to opt-out of this data collection via Firebase Crash Reporting and Fabric Crashlytics, you can do so via the application settings in our mobile applications. The data collected will be transmitted to and stored by Google (Firebase Crash Reporting) and by Twitter (Fabric Crashlytics) on servers globally."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]