On July 1, California and Washington will become the fourth and fifth states to prohibit driving while talking on a handheld phone. I'm doubtful this will do much for highway safety, because I believe the perils of mixing phones and driving have more to do with the brain than the hands. But it's definitely a boon for Bluetooth, the wireless technology that enables hands-free phone use. For consumers, this couldn't be happening at a better time. After along and difficult adolescence, Bluetooth has matured into an inexpensive and easy-to-use method of making short-range wireless connections.
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