Though not the latest in technology or gadgetry, this video tutorial on “easy mental multiplication” is quite interesting to say the least and may help out those who number crunch for a living. What are your thoughts on this technique? Video after the jump. (Thanks David, P)

Though not the latest in technology or gadgetry, this video tutorial on “easy mental multiplication” is quite interesting to say the least and may help out those who number crunch for a living. What are your thoughts on this technique? Video after the jump. (Thanks David, P)