Jason Wishnow is a Zombie Yoga Master. Inspired by Scott Kenemore's book The Zen of Zombie: Better Living Through the Undead, he sent out invitations saying "Bring a Yoga Mat, Dress like a Zombie ..." The result? The world's largest yoga session, created as a trailer for the book! Link - Thanks John!
Boing Boing TV, the newest venture of our pals at the famous Boing Boing Blog, has the exclusive behind the scenes documentary (by the way, if you haven't been watching their videos, you're definitely missing out!). Here it is: