CNN Fareed Zakaria GPS March 23, 2014 14:32:00
Processing power doubles every two years or so. a fascinating way to visualize the power of growth is the myth of the invention of chess. in one telling the invenchtser of chess a brilliant man from india, impresses a ruler with his new game. so much so the ruler invite limbs to name any reward. the inventor's request seems modest. he asked one grain of rice be placed on the first square of a chess board and double the grains on every new square until all 64 squares have rice. the king is bemused by the small payment and tells the treasurer to go with the man and pay him. looks like small numb...