An interesting interview with Salman Khan: http://www.bidoun.org/magazine/23-squares/the-math-of-khan-by-par-parekh/ http://www.bidoun.org/magazine/23-squares/

An interesting interview with Salman Khan: http://www.bidoun.org/magazine/23-squares/the-math-of-khan-by-par-parekh/ http://www.bidoun.org/magazine/23-squares/the-math-of-khan-b...