Seven Basic Finger Techniques
The iPhone isn't quite like any machine that came before it, and operating it isn't quite like using any other machine. You do everything on the touch screen instead of with physical buttons. Here's what you need to know.
Tap
You'll do a lot of tapping on the iPhone's on-screen buttons. They're usually nice and big, giving your fleshy fingertip a fat target.
You can't use a stylus, fingernail, or pen tip; only skin contact works.
Tip
Well, OK—a Q-tip damp with saline solution and charged with a mild electric current also works. But let's not split hairs here.
Drag
When you're zoomed into a map, Web page, email, or photo, you scroll around just by sliding your finger across the glass in any direction—like a flick (see below), but slower and more controlled. It's a huge improvement over scroll bars, especially when you want to scroll diagonally.
Slide
In some situations, you'll be asked to confirm an action by sliding your finger across the screen. That's how you unlock the phone's buttons after it's been in your pocket, for example. It's ingenious, really; you may bump the touch screen when you reach into your pocket for something, but it's extremely unlikely that your knuckles will randomly slide it in just the right way.

You also have to swipe to confirm that you want to turn off the iPhone, to answer a call on a locked iPhone, or to shut off an alarm. Swiping ...
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