If you find this interesting, you should buy his autobiography. He basically tells you these amazing memory tricks, and also how to hypnotise people. It also gives you an interesting perspective to analyse his pieces from.

For example, the "forgetting in a train" segment at the start uses many similar cues from the infamous Zombie segment, and also when he made the taxi driver forget the London eye. He says, and repeats "Thinking about it now, what stop...", telling the peoples brains to stop subconsciously. The hand gesture, which, very deliberately, is similar to the wiping clean of a slate goes hand-in-hand with the vocal cues. This gesture becomes associated with the notion of forgetting, and the more he does it, the harder it is for participants to remember.

I think the reason it doesn't work on that one guy is because Derren seemed to forget to do the hand motion as he said the words. He seemed to do it hurriedly as he was finishing speaking, as if he forgot.

So in short, he's amazing.

Bit unfair preying on the lower class greyhound track people, but aside from that - fascinating as usual.

amazing clip. its like a view from the top of the human psyche. Im a proud man, but not proud enough to bow before darren brown.