iPhone® 4 Portable Genius

Chapter 10. How Do I Use My iPhone to Navigate My World?

You'd be well within your rights to describe your iPhone as a "Swiss Army phone" because it's positively bristling with tools: a phone, a Web browser, a media player, and a PDA (personal digital assistant). But your iPhone also includes a broad range of features that help you organize and make sense of your life (some parts of it, anyway). I'm talking here about even more tools: an alarm clock, a stopwatch, a map, a GPS device, a weather forecast, a voice recorder, even a stock ticker! In this chapter, I explain these tools and show you how each one can help make small slices of your life easier and more productive.

• Finding Your Way with Maps and GPS 234

• Sharing Map Data 243

Finding Your Way with Maps and GPS

When you're out in the real world trying to navigate your way between the proverbial points A and B, the questions often come thick and fast. "Where am I now?" "Which turn do I take?" "What's the traffic like on the highway?" "Can I even get there from here?" Fortunately, the answers to those and similar questions are now just a few finger taps away. That's because your iPhone comes loaded not only with a way-cool Maps app brought to you by the good folks at Google, but it also has a global positioning system (GPS) receiver. Now your iPhone knows exactly where it is (and so, by extension, you know where you are, too), and it ...