Of course, with agriculture came the first big civilizations, the first cities built of mud and brick, the first empires. And it was the administers of these empires who began hiring people to keep track of the wheat and sheep and wine that was owed and the taxes that was owed on them by making marks; marks on clay in that time.

Back in the really early days, the men went out hunting, the women stayed home with the kids, and would hold the kid in one arm against the heart, so that's the left, and with the right arm they would throw. And it turns out you cannot make that calculation in real time. You have to have an algorithm set up. So these brain mechanisms evolved in order to do that, and when they evolved, the thing is that where there is a useful capability it often adapts to places it wasn't evolved for.

It used to be that if your automobile broke, the teenager down the street with the wrench could fix it. Now you have to have sophisticated equipment that can deal with microchips. We're entering a world in which the complexity of the devices and the system of interconnecting devices is beyond our capability to easily understand.

A phone tree isn't an ancient form of political organizing, but you have to call every person.

All you have to do is mate.

Technological civilization has now dominated the earth to the point where there is a big question what is going to happen next.

We know where the television is - everything has to be a sound bite; everything has to be an image; ideas are okay as long as they don't take more than four or five seconds to explain; candidates and issues are commodities that are sold like cans of soup; entertainment is limited to what a few people believe the lowest common denominator is; and you can't talk back to it.