The ability to think straight, some knowledge of the past, some vision of the future, some skill to do useful service, some urge to fit that service into the well-being of the community - these are the most vital things education must try to produce.
People are using GPS systems to find millions of little hidden objects throughout the world - often as simple as a piece of Tupperware hidden in the woods. You go to a website, you get the latitude and longitude to get the specific location of a certain specific hiding space, and then you go there a