Artificial intelligence is the new competitive edge in sports

In fact, this year's World Cup in Doha, Qatar, was one of the highest-tech international sports events yet. But we haven't even seen all the ways A.I. will affect sports. Consider the use of video replay to improve performance. The NBA's Steph Curry and the NFL's Tom Brady are both fans of "film study," going over games and moves to figure out what to repeat and what to avoid. They're far from alone: Video replay is a common component of high-level training in many sports, among them baseball, track, hockey, and boxing.