[{'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 third-party advertising companies and advertising networks to serve ads to you on our behalf when you visit our Web site. These companies may use information (not including personal information such as your name, address email address or telephone number) about your visits to this and other web sites in order to provide advertisements about goods and services of interest to you."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_3rdParty, Contact_Phone_Number_3rdParty, Contact_Postal_Address_3rdParty.'}]