Researchers at the University of Utah have created a new system that is meant to prevent teenagers from using their cell phones while driving. The system works by providing each driver of a car with their own key device. When the key is extended from the device, it sends a signal to the teenage driver's phone, putting the phone in "driving mode" so it cannot be used to talk or send texts. The phone displays a stop sign while in driving mode. The product, called Key2SafeDriving, has been patented by the engineers, who hope to license the technology to handset makers and network operators. The device will cost about $50, and should be available by mid-2009.
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