On January 9, 2007, at MacWorld San Francisco, Apple introduced its most innovative iPod ever. The iPhone melds the iPod’s music and video playback features with the features of a high-end smartphone—and adds a super-large high-resolution display, for good measure. The iPhone is set to revolutionize the mobile phone market, and is a great option for tech-savvy iPod users who want a single device to perform multiple functions.
Apple’s iPhone, shown in Figure 3.1, is more than just a cell phone with iPod capabilities, or an iPod that can make cellular calls. It’s a completely new device that combines the functionality of three distinct products: