In the past few years we've learned to send sights, sounds, and sensations in and out of the human brain with neural implants. In animal brains, other electronic implants have boosted memory and intelligence. We're approaching the point where we can network human minds together, wirelessly, and augment their function. Ramez Naam, author of Nexus and More Than Human gives a whirlwind audio and video tour of the present and future of this awesome and slightly scary frontier.