A driver got stuck in the snow for three days because she followed her GPS navigation unit’s directions, which sent her along unpaved logging roads in New Brunswick that were impassable due to snow. New Brunswick is one of those places with a lot of interesting back roads, and GPS units, I’ve noticed, will blithely send you along the craziest routes if it concludes that doing so will result in a shorter or faster trip. The article advises users to read their manuals and adjust their settings, but the larger problem is, as always, a lack of situational awareness, and relying too much on a device to do the thinking for you. It’s a supplement, not a substitute.