In the adjacent room, another capped man — his cap connected to the first man’s through wires, a computer, and the internet — sits with his hand relaxed over the keyboard, unable to see the first man and oblivious to the impending doom of his animated city. Suddenly, his brain receives a jolt of electrical stimulation, and his finger involuntarily jerks down on the key, bringing down the rocket. Together, these two men have successfully saved the city, and more importantly, they have achieved the once unthinkable task of direct brain-to-brain communication (1).