[{'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: Legal effect and changes to the policy As previously stated, this Privacy Policy is not a contract nor does it otherwise create any legal rights or obligations. Rather, this Privacy Policy merely reflects guidelines setting forth United's intended business practices. By using any United digital channel, and/or by providing any information to United online or offline, you consent to the collection and use of such information by United, its affiliates, partners, contractors and permitted agents as herein described and consistent with applicable laws. Also, United, in its discretion, may amend, interpret, modify or withdraw any portion of this Privacy Policy and related business practices at any time by posting updated text on this site, and your continued use of our digital channels or offline outlets constitutes your consent to those changes. A version of this Privacy Policy has been effective since October 15, 2002, and was last updated on January 15, 2016. This Privacy Policy supersedes previous privacy policies posted on united.com and coair.com."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]