[{'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: How do ad identifiers, cookies and similar technologies work? Advertisers on mobile devices sometimes use advertising (or ad) identifiers to enable and optimise their advertising. Ad identifiers are non-permanent, non-personal device identifiers such as the Android advertising ID and/or Apple's ID for advertising, or IDFA. See below for you can reset these identifiers or indicate your preference that they should not be used for advertising purposes."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Ad_ID_3rdParty.'}]