4 ways your phone could change how you travel in 2012
from National Geographic
Already go-to travel companions, smartphones are poised to take travelers into a new reality — where little is lost in translation, the traffic lights are always green and much more. Back in the late 1980s, the Magellan Systems Corp introduced the first handheld satellite-navigation device for consumers, which tapped the U.S. Defense Department's Global Positioning System.
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