Chapter 1. The Guided Tour
If you’d never seen all the videos and photos of the iPhone, and you found it lying on someone’s desk, you might not guess it was a phone (let alone an iPod/Web browser/alarm clock/stopwatch/voice recorder/musical instrument/compass). You can’t see any antenna, mouthpiece, or earpiece—and goodness knows there are no number keys for dialing.
It’s all there, though, hidden inside this sleek glass slab.
For the rest of this book, and for the rest of your life with the iPhone, you’ll be expected to know what’s meant by, for example, “the Home button” and “the Sleep switch.” A guided tour, therefore, is in order.

Sleep Switch (On/Off)
On the top-right edge of the iPhone, you’ll find a metal button shaped like a dash. This, ladies and gents, is the Sleep switch.

It has several functions:
Sleep/Wake. Tapping it once puts the iPhone to sleep—into Standby mode, ready for incoming calls but consuming very little power. Tapping it again turns on the screen so it’s ready for action.
On/Off. The same switch can also turn the iPhone off completely so it consumes no power at all; incoming calls get dumped into voicemail. You might turn the iPhone off whenever you’re not going to use it for a few days.
To turn the iPhone off, press the Sleep switch for 3 seconds. The screen changes ...