The teenager was not a faster horse

We're arguing about how big AI will be. The last 100 years say that's the wrong question.

In 1898, the smartest urban planners in the world got together to solve the biggest problem facing every major city, and they gave up.

The problem was horse manure. New York had something like 170,000 horses moving people and goods, and each one produced more than twenty pounds of the stuff a day. The streets were buried. Dead horses, about 15,000 a year…