“These days, we use our phones for a lot more than just phone calls. We take pictures with them, send e-mail on them, and, increasingly, look up directions on them. Directions and mapping on phones (the wireless industry calls them "location-based services") are changing the way we use our handsets. It's not necessary anymore to print directions or find a restaurant online before you leave the house. Now, you can just look it up on your phone on the go. Of course, this isn't always foolproof -- when I recently asked someone for directions, he pulled out his iPhone map then pointed me the wrong way.” source...