In this world of boundless information, we still don’t really know where anything is. Yes, GPS is a miracle and can locate you on the face of the earth, but only within a box several meters large — about the size of a two-car garage. Even so, GPS created its own reality and a host of applications that were inconceivable before it — from personalized weather reports to catching rides via Uber. The catch? It doesn’t work indoors and often can’t tell which side of the street you’re on.