You’re on a forest road somewhere in North Central PA, maybe 40 minutes past the last gas station, and you go to tap Google Maps for the next turn. Zero bars. Not “one bar, might work.” Zero. The app spins, times out, and hands you a gray screen with a dot that may or may not be where you actually are. That’s the moment most people find out their navigation plan has a hole in it. It happened to me early on. I knew the general area, knew the road name, had been out there e