To conduct research and identify fraud and malicious activity.</li> <li> <i>For our Services.</i> When you visit one of our Seller Sites, we may assign your computer one or more cookies which enable us and our Buyers to deliver targeted advertisements to you on the Seller Sites. This form of advertising is called "behavioral advertising" or "interest-based advertising". We use cookies (e.g., Google’s advertising cookies) for this purpose. We believe that such advertising is helpful because you will see ads that are relevant to your interests.