[{'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 change this Privacy Policy from time to time. If we make significant changes in the way we treat your personal information, or to the Privacy Policy, we will provide notice to you on the Services or by some other means, such as email. Please review the changes carefully. If you agree to the changes, simply continue to use our Services. If you object to any of the changes to our terms and you no longer wish to use our Services, you may close your account(s). Unless stated otherwise, our current Privacy Policy applies to all information that we have about you and your account. Using our Services after a notice of changes has been communicated to you or published on our Services shall constitute consent to the changed terms or practices."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]