[{'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: 12. Changes to our Privacy Policy We will continue to evaluate this policy against new technologies, business practices, Safe Harbor requirements, and our listeners' needs, and may make changes to the policy accordingly. Please check this page periodically for updates. If we make any material changes to this policy, we will post the updated terms of the policy on the Service, and provide you notice of such chances, which may include notice by email through a message sent to the email address you use to access the Service, or posting a message on the Service."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]