How Close Are We Really To A Robot-Run Society?

The cars use sensors and computing power to maneuver around traffic. The cars use sensors and computing power to maneuver around traffic. From Rosie, the Jetsons' robot maid, to Arnold Schwarzenegger's cyborg in The Terminator, popular culture has frequently conceived of robots as having a humanlike form, complete with "eyes" and mechanical limbs. But tech reporter John Markoff says that robots don't always have a physical presence. "I have a very broad definition of what a robot is," he tells Fresh Air's Terry Gross.