[{'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: Additionally please note that if you "opt out" it does not mean that you will no longer receive advertising. It just means that the advertising you see displayed will not be customized to you and your interests and may be less relevant to you.'}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]