With more board configurations than there are atoms in the universe, the ancient Chinese game of Go has long been considered a grand challenge for artificial intelligence. On March 9, 2016, the worlds of Go and AI collided in South Korea for an extraordinary best-of-five-game competition, coined the Google DeepMind Challenge Match. Hundreds of millions of people around the world watched as a legendary Go master took on an unproven AI challenger for the first time in history. “AlphaGo” chronicles a journey from the backstreets of Bordeaux, past the coding terminals of Google DeepMind, to Seoul, where man and machine face off. As the drama unfolds, questions emerge: What can artificial intelligence reveal about a 3,000-year-old game? And, more compellingly, what might it teach us about humanity?