AI hasn't progressed because it hasn't been commercially viable in a lot of applications. PID, a bit of hardcoded logic, and a bit of common sense has been far

AI hasn't progressed because it hasn't been commercially viable in a lot of applications. PID, a bit of hardcoded logic, and a bit of common sense has been far more useful than a machine which will try to outsmart the operator, and screw up badly. Now that it's actually becoming useful, things could progress very quickly. Think about how long it too the internet to be something more than a toy for geeks, and how quickly things started moving once it started getting a real a market.