Comment: Driverless cars need not be

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Driverless cars need not be

Driverless cars need not be any more dependent on GPS than human driven cars are on it. It is just a navigation tool. And, in honesty, neither does flying drones. But making the drones dependent on only GPS as a positioning aid, is infinitely simpler and cheaper than having them read the terrain the way an experienced pilot with a cockpit full of overlapping aids would.