Hi, the book is indeed removed. Jason was writing about this in twitter, it had something to do with his job and copyright, but in any case if you listen to this it's pretty much like reading the book with comments: https://m.youtube.com/playlist?list=PL2jAZ0x9H0bSpVxVNIaTEQpWZwY2ZbjCu many find his ideas controversial, but I believe it's a very interesting perspective anyway, worth you time