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Chapter 2. Hit the Ground Running with Y... > About the BlackBerry User Interface

1. About the BlackBerry User Interface

BlackBerry 7100 series devices are built on the popular BlackBerry operating system, which has evolved quite a bit from its earlier days in simple text messaging devices. The user interface is just as much about hardware as it is about software—the keys on the 7100 series devices are carefully designed to mesh with the software visuals you see on the screen. The first thing you might notice about the 7100 that sets it apart from other BlackBerry devices—and virtually all handheld devices, for that matter—is the unusual keyboard.

There are significantly fewer keys on the 7100 keyboard than on a traditional computer keyboard, certainly not enough for every letter in the alphabet. In fact, many of the keys on the 7100 keyboard include two letters instead of one. The magic at work in this compact keyboard is a technology called SureType, which allows you to peck away at each letter of a word without worrying too much about what shows up onscreen until you get near the end. The vast majority of the time, you'll find that SureType does an excellent job of figuring out what you wanted to type even though you probably used only a handful of keys.


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