Paul Krugman for The New York Times:

Ah, you ask, but what about the people? Very good question. Smart machines may make higher GDP possible, but also reduce the demand for people — including smart people. So we could be looking at a society that grows ever richer, but in which all the gains in wealth accrue to whoever owns the robots.

The more things change…

Well, except:

And then eventually Skynet decides to kill us all, but that’s another story.