Mashable - Imagine a futuristic NFL where computer chips embedded in players' equipment measure and track how fast receivers run, how tired linemen get and how hard safeties hit. Quarterbacks call plays without a huddle, using wireless communication tools built into helmets. On the sidelines, coaches instantly watch digital video of previous plays to scheme their next moves. Referees carry handheld screens to immediately replay the toughest calls. And a chip in the ball combines with a laser on the goal line to eliminate the tedious debate over whether a player actually reached the endzone.
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