The use of a Beacon may also allow us to gauge the effectiveness of certain communications and of our marketing campaigns. </p> <p> <strong>Advertisers' and other third parties' use of cookies</strong>: Advertisers and other third-party advertising entities that deliver ads to you on the Service may place or recognize a unique cookie on your hard drive ("<strong>third-party cookies</strong>"). Advertising entities may use third-party cookies in order to count your exposure to or gauge your interaction with an ad. They may also use third-party cookies to provide you with interest-based advertising.