I'm standing on a wire mesh floor in a secluded room at Apple's headquarters in Cupertino, California. The "floor" I'm on is suspended over a pit filled with 4-foot foam wedges. The walls and ceiling in the room are also covered with large triangle-cuts of foam that remove virtually any echo. When I clap there's just the muffled sound from the impact of my hands. It's oh so quiet. If you're into the whole sensory deprivation thing, you'd be right at home in this strange room.It's called a long w...