Introduction
How do you make the point that the iPhone has changed the world? The easy answer is “use statistics”—600 million sold, 1.3 million apps available on the iPhone App Store, 75 billion downloads…. Trouble is, those statistics get stale almost before you’ve finished typing them.
Maybe it’s better to talk about the aftermath. How since the iPhone came along, cell carriers (AT&T, Verizon, Sprint, and so on) have opened up the calcified, conservative way they used to consider new cellphone designs. How every phone and its brother now have a touchscreen. How Google (Android) phones, Windows, and even BlackBerry phones all have their own app stores. How, in essence, everybody wants to be the iPhone.
Apple introduces a new iPhone model every fall. In September 2014, for example, it introduced the eighth iPhone model, the iPhone 6 and 6 Plus—bigger, thinner, faster, and better in most ways.
More importantly, there’s a new, free version of the iPhone’s software, called iOS 8. (Why not “iPhone OS” anymore? Because the same operating system runs on the iPad and the iPod Touch. It’s not just for iPhones anymore, and saying “the iPhone/iPad/iPod Touch OS” takes too long.)
You can run iOS 8 on older iPhone models without having to buy a new phone. This book covers all phones that can run iOS 8: the iPhone 4s, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, and iPhone 6 Plus.
About the iPhone
So what’s the iPhone?
Really, the better question is what isn’t the iPhone?
It’s a cellphone, obviously. But ...
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