[{'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 have the right to amend this Privacy Policy from time to time. Use of your information we collect now is subject to the Privacy Policy in effect at the time such information is used. Whenever you use our sites or the Services, please check this Privacy Policy to make sure that you are aware of any amendments in our privacy practices. The date our Privacy Policy was last updated will be displayed therein. We will post a revised policy on our sites and/or mobile products to inform you and other users if we make any material revisions to this Privacy Policy. You understand that you accept the amendments to our Privacy Policy by continuously using our sites or the Services."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]