With the right software or service package, a GPS phone can pinpoint your location, give directions to your destination and provide information about nearby businesses. Find out how a GPS phone works.
Smartphones and social networking lets us plan spontaneous meetups and discover new people. But is it really a good idea to share your exact location with people you don't know? See more »
Who hasn't fantasized about throwing someone's cell phone out the window after unwillingly hearing way too much of his or her conversation? Cell-phone jammers silence these yappers and all other calls, obnoxious or otherwise, in a given area. But are they legal? See more »