[{'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 feature advertising within the Services, and may employ third party technologies to collect information in the Services. If You wish to "opt out" of certain targeted advertising, You can visit http://www.youradchoices.com and/or www.networkadvertising.org. Please note that the links above may not reach all of our advertising partners and certain targeted advertising may still be displayed to You.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]