C ongratulations. You’ve selected one of the most incredible handhelddevices we’ve ever seen — and one that is much more than just a great wireless phone. Of course, the iPhone is one heck of a wireless telephone,complete with a capable 2-megapixel digital camera. But it’s actually threeawesome handheld devices in one. In addition to being a killer cell phone, it’sa gorgeous widescreen video iPod and the smallest, most powerful Internetcommunications device yet. In this chapter, we offer a gentle introduction to all three “products”that make up your iPhone, plus overviews of its revolutionaryhardware and software features. The Big Picture The iPhone has many best-of-class features, but per-haps its most unusual feature is the lack of a physi-cal keyboard or stylus. Instead, it has a 3 1 ⁄ 2 -inch super-high-resolution touchscreen (160 pixels perinch if you care about such things) that you operateusing a pointing device you’re already intimately famil-iar with: namely, your finger. And what a display it is. We venture that you’ve never seen amore beautiful screen on a handheld device in your life.