i don't know, I think the problems you're pointing out are the ones Kahn particularly wants to address. You should watch his TED talk if you haven't: http://ww

i don't know, I think the problems you're pointing out are the ones Kahn particularly wants to address. You should watch his TED talk if you haven't: http://www.ted.com/talks/salman_khan_let_s_use_video_to_reinvent_education.html http://www.ted.com/talks/salman_khan_let_s_use_video_to_rein...