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There's a whole world of radio frequencies and space-based signals that most of us don't care to know much about. But when it comes to our cell phones and GPS units, what we don't know may just hurt us... or at least hurt our ability to find the nearest fast food restaurant.

Big government's inefficiency comes in a variety of flavors, and this one could hit your dashboards as early as next year. According to a report from the Government Accountability Office (GAO), the U.S.' Global Positioning System (GPS) could begin to experience black-outs and general failures next year due to the delays, mismanagement and underinvestment by the U.S. Air force.