Information we receive from third parties: We may also receive information from third parties at the instruction or for the benefit of our Seller Sites that provide user demographics, behaviors or interests, obfuscated user identifiers such as hashed email addresses, user preferences on the ad experience and other information that may help make the ads more relevant.</p> <p>Cookies. We use cookies, web beacons, mobile SDKs and other web tools ("Tools") to collect information regarding your behavior and usage patterns on our Website and on our Seller Sites.