This site does: Adverlicio.us. It's an online archive of online ads. Like this terrific interactive banner ad for Volkswagen, which encourages you to drag and drop the features of the car onto the car, right in the ad. (Click on the image below to see the live ad.)
Aspiring creatives, take note: If you have the skills and talent to create ads like this one, you'll get hired, even during a recession.
