[{'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: Third-Party Advertising We may use third-party advertising agencies or other service providers to serve ads on our website on behalf of eHarmony or third-party advertisers (e.g., retailers of goods or services). These companies may employ cookies and web beacons to measure advertising effectiveness. Any information that these third parties collect via cookies and web beacons is completely anonymous. Some of these third-party advertising agencies may be members of the Network Advertising Initiative, which offers you the option to opt out of ad targeting from its member agencies by following the procedures listed here."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty.'}]