Decoder Ring | Weapons of Map Destruction

Most of us use GPS—the Global Positioning System—on a daily basis: to find our location when we’re driving, running, shopping, dating, and so much more. But GPS is even more important, and more vulnerable, than you think. In the last few years, GPS interference has been reported all over the world, from war zones to shipping routes to public squares. What was once the fanciful plot of a Bond movie…