I sent this to a friend who's deputy head at a school in the UK about 18 months ago and they're now using it to great effect in a few subjects: http://www.ted.

I sent this to a friend who's deputy head at a school in the UK about 18 months ago and they're now using it to great effect in a few subjects: 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...