And in a similar vein: We've come up with a new pedagogical method to teach 4 year olds arithmetic. With two months of study they can easily multiply two 15 di

And in a similar vein: We've come up with a new pedagogical method to teach 4 year olds arithmetic. With two months of study they can easily multiply two 15 digit numbers in their heads. Well I can multiply those two numbers in a calculator to get the same result, and I don't have to feed or take care of it.