A high-tech revolution is driving the parking industry

Spread across an exhibit hall of the David L. Lawrence Convention Center this week is the promise of newfound serenity:
Parking meters that can be fed from afar, rendering quaint those pockets full of quarters; computer-controlled signs that point you to the closest available space, sparing you those time- and gas-wasting laps around the garage; even technology that rescues you when you’ve forgotten where you parked.