Chapter 9. Core data, mapkit, and core location: Finding a phone booth

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Now it’s time to get to some goodies. These devices come with so much in the way of built-in capabilities. iPhones and iPads are part computer, part library, part still and video camera, and part GPS device. The field of location-based computing is in its infancy, but it’s very powerful. Fortunately, tapping into those hardware functions is something that iOS makes fairly easy.

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