[{'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: Online Ad Serving. Ziff Davis and some of our advertisers use third party advertising service companies to serve advertisements when you visit our sites or use our apps. Often, these third party advertising companies employ cookie, pixel tag and other technologies to measure the effectiveness of Web, app and email advertisement and to create a record of interaction with our content that they use in conjunction with their advertising which appears on other sites or apps, or for reporting website traffic, app use, statistics, advertisement data and/or other activities on our sites. We will also engage third party providers to assist with the segmentation of this data. Ziff Davis and/or these third party advertisers may collect non-Personal Information about you for online behavioral advertising (OBA) purposes- which includes mobile devices and apps- in order for you to receive relevant interest-based advertising from us in the future but see below - Interest Based Ads- for more information on OBA. The specific providers we use are subject to change."}, {'role': 'assistant', 'content': 'This clause is unfair. The privacy practices mentioned are: Identifier_Cookie_or_similar_Tech_3rdParty.'}]