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b'There was a time, long before GPS or the need to select the accent of the artificial being that would bark driving directions at you, when people consulted road maps. On trips abroad, my wife, Sari, who\\u2019s more gifted with fast reflexes than geography, would take the steering wheel while I would unfold an oversized map on my lap, crinkling and tearing at the seams. However, as we buzzed along the road, no matter how urgently Sari would request information, there was always one unavoidable step in providing directions \\u2013 namely, to first figure out where the heck we were.'