Casual observers pulling into the parking lot at Ashley Ridge High School recently may have seen small knots of students staring at objects in their hands, then striding purposefully toward some ...
Forty years ago, the United States government made a decision that transformed the modern world: it opened the Global Positioning System (GPS) to civilian use. What began as a military technology ...
What if your phone’s GPS knows more than just where you are? It might already be sensing what you are doing and what is around you silently.
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