Madrid had one of the underground labyrinths without more complex GPS. Google and Waze have tamed it with 1,600 Bluetooth beacons
We are so accustomed to GPS that, when suddenly disappears, a simple journey can become a headache. It is not that we have lost the ability to interpret the signs of a lifetime, but that the way of moving through the big cities has changed so much that this technology has become indispensable. The M-30 … Read more
