Do A Barrel Roll & Other #AprilFools by @Google

Ready for some Mrs. Pac-Man action? Open Google Maps. Today only, unless...

Many tech companies have a good sense of humor when it comes to today. Google is no stranger with many Easter Eggs hidden with in its features.
But, do a search for "Do a Barrel Roll" on any #Chrome browser or "Zerg Rush" on a #ChromeBook.
Here's an old one, but one of my favorites: TISP
So, which have you found, or which is your favorite?