In just a few decades personal computers and other gadgets have changed the lives of humans in ways that no one could have imagined. Usually we think that these devices are preprogrammed and operate only within the limits of their code. But did you know that your gadgets are also connected to giant neural networks and machines that carefully study your behavior? Find out how artificial intelligence helps translate posts on Facebook. Discover how the AI learns to recognize objects in human photos and how a computer program can transform simple images into beautiful new artwork. Listen to our special series "Neural Networks: How Soon Will Computers Outsmart People?"