[{'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: You may click on the following link: http://www.networkadvertising.org (or such other URL as may be specified by us from time to time) for information on how to opt-out of the use of cookies for the delivery of more relevant advertising."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_1stParty.'}]