Introduction

Over the past 2 years, Apple has moved from a nonplayer in the world of handheld computing to a dominating force. The iPhone and iPod Touch platform has changed the way that we, the public, think about our mobile computing devices. With full-featured applications and an interface architecture that demonstrates that small screens can be effective workspaces, the iPhone has become the smartphone of choice for users and developers alike.

Part of what makes the iPhone such a success is the combination of an amazing interface and an effective software distribution method. The iPhone operating system was designed to be controlled with your fingers, rather than with a stylus or keypad. The applications are “natural” and fun to ...

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