The ad minimises (geddit) the browser window. A nice twist on expandable banners!
See it here, if it's still live
Good Examples of Digital Creativity and Media Usage including online advertising, web sites and search marketing. Compiled by Dan Calladine, Aegis Media - email@example.com All views expressed are my own. This blog currently receives about 150 unique visitors per day, according to Google Analytics. Follow me on twitter - I'm @dancall