Source: Forbes, Nov 2013
In a sport where speed and aggression rule, instantaneous understanding of what’s taking place on the field literally changes the game. What’s more, real-time data turns the concept of practice and training on its head. Coaches no longer have to rely only on hindsight to guide the team. Players can immediately see why a certain play didn’t work—or did. In this video, head coach Julian Nagelsmann explains how he uses the data to monitor reaction times and aggressiveness, guiding players to make adjustments for peak performance long before they arrive at game day as a professional.
… coaches have tested Google Glass to check the exact speed of individual players as they move.