Technology to block phones in cars isn't foolproof (AP)

SALT LAKE CITY – Many parents would love to be able to give their teenagers a cell phone that couldn't be used while driving. Now some inventors say they have come up with ways to make that possible, but they appear to be relying on wishful thinking.

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One product to hit the market, $10-a-month software by Dallas-based WQN Inc., can disable a cell phone while its owner is driving. It uses GPS technology, which can tell how fast a person is traveling. But it can't know whether the person is driving — and therefore it can needlessly lock a phone. WQN, which sells cell phone and Internet security software under the name WebSafety, says it signed up about 50 customers for its first month of service. Aegis Mobility, a Canadian software company, plans to release a similar Global Positioning System -based product this fall, known as DriveAssistT. Aegis is in talks with big U.S. wireless phone carriers, which would have to support the software and charge families a fee of probably $10 to $20 a month, said David Teater, the company's vice president.

Full Story: Technology to block phones in cars isn't foolproof (AP)