Scenario: you’re driving to your new job at a university campus and using your Global Positioning System (GPS)-enabled smartphone to tell you—and your car—how to get there. Once you arrive, you begin using building signs to identify your structure of interest. You’ve parked, made it inside, and are greeted with a building map on a bulletin board that directs you to the particular office you’re looking for. Following the map’s diagram, you weave through unlabeled corridors, dark stairwells, and a windowless basement hallway to reach your final destination. It’s a good thing you arrived early since you got lost a couple of times between the building’s entrance and your new office. If only the GPS-enabled device you used to get around outside could tell you where to go (and where you are) inside.
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via TechXplore.com