[{'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: Changes to the Privacy Policy We reserve the right to change our Privacy Policy as business needs require. If we decide to change our Privacy Policy, we will post those changes here prior to the time they take effect. If we make material changes to the way we use personal data, affected users who have provided us with an e-mail address will be notified via e-mail."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]