[{'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 may modify this Privacy Statement at any time. If we make any material changes, we will notify you by email (sent to the email address specified in your account) or by means of notice on the Site prior to the change becoming effective. You can determine when this Privacy Statement was last revised by referring to the "Effective Date" above. You can review the last version of this Privacy Statement here.'}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Contact_E_Mail_Address_1stParty.'}]