GPSes used to be expensive and uncommon, but now half of the population carries one around in their pockets. That new Android smartphone you bought? It has GPS-functionality built-in through Google Maps. So does that new tablet. But get this - dedicated GPS units are still a thing, and I'm not talking about the kind that you mount on your dashboard. Today Garmin announced Monterra, the company's first Android-powered handheld outdoor GPS with WiFi.

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