[{'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: We use outside credit card processing companies to bill you for Camfrog services. These companies do not retain, share, store or use personally identifiable information for any other purposes. We use outside email delivery systems to contact you and provide you with pertinent information via email. These companies do not retain, share, store or use personally identifiable information for any other purposes. Advertising"}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]