[{'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: How do we use it? If you choose to use the Service to invite one of your contacts to use the Service, we will send your friend an email or SMS inviting them to visit the Service. We use this information solely to send these emails or SMS messages, to help your friends register with the Service, and to track the success of our invitation program. Your friend can contact us at privacy@imo.im anytime to ask us to remove this information from our database."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]