What is it? – Ever wonder where we’d be without that GPS function on our phone? If we want to know where we are, our exact location is only a finger swipe away. And if we have a specific destination in mind that same finger swipe will give us a detailed route complete with options and estimated times of arrival. Easy, right? But some of us remember a pre-GPS world that was fraught with incomplete maps, U-turns, dead ends and an unhappy arrival at an empty field where our destination was supposed…