Have you read of the GPS (global positioning system) engineered to help golfers maneuver around sand traps, roughs and other hazards on golf courses? Duffers no longer can claim they didn’t know about that big pine tree hidden from view behind the nearer pine tree. Distances, angles . . . everything is automated.
Soon, professional football players will have GPS-based, robotic audio units built into their helmets. A quarterback might hear: “Weak-side linebacker dodging block; approaching from left rear at rate of 22-miles-per-” SMACKO!