These companies are limited in their ability to use information they receive in the course of providing Service to us for any purposes other than the services for which we have engaged them.</p> <p> <b>Third Parties that Provide Content, Advertising Services, or Functionality on Our Online Services</b>. Some of the content, advertising, and functionality on our Services may be provided by third parties that are not affiliated with us. Such third parties include:</p> <ul> <li>Advertising providers, which help us and our advertising customers provide ads that are tailored to users' interests and understand how users respond to those ads. and</li> <li>Audience-measurement companies, which help us measure the overall usage of our Services and compare that usage to other online services.</li> </ul> <p>Some of these companies may participate in industry-developed programs designed to provide consumers with choices about whether to receive targeted ads.