Augmented reality: iPhone 3G S killer app? | Crave - CNET - 0 views
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Augmented reality: iPhone 3G S killer app?
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Layar takes the sort of GPS POI data in current map-based apps, like ATMs, houses for sale, or nearby hotspots, and displays them overlaid on the landscape as seen through the camera lens.
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A magnetometer, used to power Apple's compass app and future turn-by-turn navigation software in the 3G S, would also be necessary (Android phones have compasses already).