"It's You Tube's 17^th Most Viewed Video of All Time, and the 4^thMost Liked, "Somebody That I Used to Know." sung principally by Wouter "Wally" De Backer, also known as "Gotye," who took his clothes off and got a paintjob from designer Emma Hack."

"Emma covered naked Wally with color patches, set him (and another singer, Kimra) in front of a painted backdrop. When she was done the two singers blended in and became part of the painting. It's a pretty cool display of camouflage technique."

"It's nothing new, though. Far from it."

I'm thinking, most recently, of Liu Bolin, a Chinese artist who can almost totally disappear — and he does it in ordinary settings. No fancy art backgrounds. Here he isn't (actually he is)in a supermarket. (Look for his shoes.)"