Guitar oscillations captured with an iPhone4

[youtube=http://www.youtube.com/watch?v=TKF6nFzpHBU&w=700] As the cameraman says: "I just happened upon this trick when testing what it was like filming from inside my guitar. *Note this effect is due to the rolling shutter, which is non-representative of how strings actually vibrate."

There is a heated discussion with *real science* over at reddit.