You have to own a guinea pig to appreciate this. Make sure you actually wait and watch the ad. Here is a direct link to the ad video file in wmv format (other formats are available on the site).
I was busting a gut on this. They even say "Moo" at the end.
(Getting that snapshot of the video was a total PITA. Because of video overlays, PrintScreen didn't work. I had to turn off all of the video acceleration features via the display control panel so that the video went through the normal display pipeline. Overlays suck -- and they don't work with a desktop compositor. Hint, hint.)