Business travelers are called "road warriors" for good reason. Even if they're flying to far-off destinations, chances are that many end up behind the wheel after leaving the airport. And no doubt, more and more business travelers are relying on their mobile handsets. A smartphone is a great device for travelers as it offers numerous location-based apps, including those for GPS navigation that can provide directions, plus offer information on local businesses.

However, cell phones aren't always put to smart use. Mobile apps likely increase the dangers of using a phone while driving. Fatalities linked to distracted driving rose from 10 percent in 2005 to 16 percent in 2009, according to a study last fall by the National Highway Traffic Safety Administration. And hands-free mobile phone use isn't resolving the problem.


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