[{'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: A WORD ABOUT SHARED INFORMATION WeChat enables Shared Information to be shared publicly with your WeChat contacts, all users of WeChat and/or the public, via features provided by either us or third parties, so that Shared Information can be broadly and instantly transmitted. Shared Information will remain public for as long as you do not delete it; and even after you delete Shared Information, it may still be separately cached, copied, or stored by, or remain public through, other users or third parties who are not affiliated with and not controlled by us."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]