d. IP Address. Your Internet Protocol (""IP"") address is usually associated with the place from which you enter the Internet, like your Internet Service Provider, your company or your university. Our server may also record the referring page that linked you to us(e.g., another Web site or a search engine); the pages you visit on our Covered Sites, the web sites you visit after this web site; the ads you see; the ads you click on; other information about the type of web browser, computer,platform, related software and settings you are using; any search terms you have entered on this web site or a referral site; and other web usage activity and data logged by our web servers. We may use your IP address to help diagnose problems with our servers, gather broad demographic information, and administer our Covered Sites. We may also link this information with yourPersonally Identifiable Information when we feel that it is necessary to enforce compliance with our rules and policies or terms of service or to protect our Covered Sites, customers or others. 