Now Playing: 5-16-13 Marketplace Tech: Will Robots Replace the Middle Class Workforce?

Lately, it seems like we talk about Moore's law at least once a week on our show. It's the idea that our computing power jumps forward by leaps and bounds every two years -- so fast that soon our computers will be as smart as we are. Kevin Drum is a writer at the magazine Mother Jones. He's just written a long piece about intelligent robots. Drum thinks by the year 2025, they'll be smart enough to take almost all of our jobs. Don't worry though -- he says that's a good thing.