[{'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: 9. Communicating with You Comcast may use your Registration Data to send you a confirmation email verifying the ownership of the email addresses provided in your Registration Data and to send you service-related communications about the Comcast Web Services. In addition, Comcast may send you promotional or commercial email relating to each Comcast Web Services for which you have activated your account. You can opt-out from receiving such promotional or commercial email by following the instructions contained in the emails or by going to: http://www.plaxo.com/settings/email (manage your Plaxo email settings) http://www.comcast.com/preferences (manage your promotional email offers from Comcast) and following the directions there."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]