[{'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: VII. CHANGES TO THIS PRIVACY POLICY We may amend this Privacy Policy from time to time. Use of information we collect now is subject to the Privacy Policy in effect at the time such information is used. If we make changes in the way we use Personal Information, we will notify you by posting an announcement on our Website or sending you an email. You are bound by any changes to the Privacy Policy when you use the Website after such changes have been first posted."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]