When domain names expire they leave skeletons –  networks of inbound links that continue to funnel traffic to that name, even if ownership has changed.  Via eWeek, we learn that Microsoft owned HARDWARE-UPDATE.COM and used the name for a site featuring Windows drivers.  The domain name is embedded in various error messages in Windows 2000.  However, Microsoft did not renew the domain name and Ultimate Search, a company that specializes in this sort of thing, scooped it up.  Now the page provides sponsored links, courtesy of Overture.  The article reports that the top sponsored link pays over $3 a click-through.