Stephen Hawking, Bill Gates, and Elon Musk have sounded warnings that AI, especially robotic weapons, might escape our control and take over. Ray Kurzweil has claimed the “singularity” (his term for the moment of takeover) is at hand, surfacing some of our primitive terrors. Given the trend to a surveillance society, our deepening embrace of technology, and the emerging Internet of Things, are we right to be afraid?