PCWorld - Traveling a lot, and feeling lost? You don't have to remain directionless--and you don't need to spend hundreds of dollars on a dedicated GPS navigation device, either. AT&T Wireless, Sprint, and Verizon Wireless all have their own navigation applications for their GPS-enabled phones.
To see how they stacked up, I tried all three apps on BlackBerry Curves, and I found that they all worked as promised--mostly. They weren't identical, however, and though I'm not ready to give up my Garmin Nuvi, I'd recommend AT&T Navigator to anyone who wants to use their phone as a navigation system.
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