[{'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: Device Phonebook. Because SNOW is originated for communications with friends, we may-with your consent-collect information from your device's phonebook. We do this so that we can connect you to your friends quickly and intuitively, enhance the Services with additional functionality, and for any other purpose described in this privacy policy. You can always revoke your consent to our ongoing ability to collect information from your device's phonebook by changing the settings on your device if your device offers that option."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_Address_Book_1stParty.'}]