How does Ford gets cars to wirelessly talk to each other?

Automakers and federal regulators are working on a project that will allow vehicles to communicate with each other via a Wi-Fi-style wireless network. The project could--at some point in the far future--spill into the cell phone industry by inserting broadcasting modules into phones that would alert drivers of the location of pedestrians (at least, those carrying cell phones). Ford Motor Co. recently demonstrated the technology at its headquarters, but admits that it will take years for the program to get off the ground. Article and photo essay

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