Here's a must-see video ad, watch it w/sound, for mac:
Home | The Onion - America's Finest News Source
Note how the guy "climbs out of the ad" from skyscraper to banner ad at the end to post "Not"? Great innovation... has a person moving from what appears to be one ad to climb out of the box, into the other ad, to post "not" on top of a testimonial... very innovative!
-Ken