GPS outfit Garmin announced on Tuesday that the company had released StreetPilot, its first turn-by-turn navigation app for the iPhone. Per Macworld, StreetPilot offers voice-prompted directions—with text-to-speech capability for reading aloud street names—along with a variety of more advanced GPS features. As with Garmin’s standalone GPS devices, StreetPilot offers free traffic alerts, lane assistance with […]