INSANE: Solving 6 Rubik's Cubes in just under 6 and a half minutes

Like Gizmodo Sploid's blogger, I've never solved a Rubik's Cube before but someone appeared to have completed 6 of them (2x2, 3x3, 4x4, 5x5, 6x6 and 7x7) in 6 minutes 23 seconds on YouTube:

Is it possible to move so fast? =.="

via Gizmodo Sploid.