A deal for the Korean edition has just been signed - look for it in 18 months or so. Hypnosis is one of those pursuits that sits on the bubble between science and pseudoscience.
Hypnosis deals with accessing the unconscious mind.
I would say that what a hypnotist does is plant or alter memes in the subject's mind so that they stay there after the session is over. Many people say that television is hypnotic, which is why it is such an effective form of advertising. Window of Opportunity - he would be available to autograph products for only a short time after the show. At the end of his show, he completed the mind-virus template by suggesting that audience members return to the show and bring friends, indeed tell everyone they knew about the show. Judging from the line outside the show to buy his products, I would say that I don't know if he's the greatest, but he's pretty darned good at what he does.