[baddox]

I think it's pretty clear that either the video is staged, or they had to try tons of times to get some marketers to produce those results. Derren Brown generally admits that he uses sleight of hand to fake astonishing results, so even that is a possibility with this video.

[pbhjpbhj]

I can't cite an example but I'm pretty sure he claims that he never "fakes" anything. But saying that he does use regular magic mixed with mentalism to great effect.