There’s a scene in the movie “Tommy Boy” where the snotty David Spade character tries to teach the thick-headed party boy boss’s son about the one-and-a-half-percent carrying charge for merchandise in the Callahan Auto warehouse.“Let’s try an association,” the Spade character says. “The average person uses 10 percent of his brain. How much do you use? One-and-a-half percent.”Well, anyway, the common belief that the average person uses just 10 percent of his or her brain is a myth. But odds are most of us use no more than 10 percent of the electronic brain of the computer that sits on
