[{'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: 8. Changes to our Privacy Policy This Privacy Policy may change from time to time. If we make a change to this privacy policy that we believe materially reduces your rights, we will provide you with notice (for example, by email). And we may provide notice of changes in other circumstances as well. By continuing to use the Service after those changes become effective, you agree to be bound by the revised Privacy Policy."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]