Their videos are worth checking out. http://rationality.org/videos/
That said, I am not sure it is rationale to pay $3,900 for four days of training. At least give me a celebrity like Tony Robbins.
That said, I am not sure it is rationale to pay $3,900 for four days of training. At least give me a celebrity like Tony Robbins.
I also imagine that the high price might be a conscious tactic to increase effectiveness: People will put more effort into something they paid a lot of money for.