Preface
The way we interact with machines is always changing. As technology evolves, new ways of interacting with computers become available to us, one innovative breakthrough after the next. If we go back 10 years, RIM was just starting to implement phone capabilities into their line of Blackberry mobile devices. Now we have touch screens capable of delivering a full computing experience in the palm of our hands. Voice recognition software is finally becoming mainstream with the introduction of Siri on the iPhone 4S. We are rapidly entering an age in which being tethered to an accessory or peripheral, such as a mouse or keyboard, will be considered an archaic way of getting things done.
Touch screen interfaces are all the rage right now, but the next true evolution in human/computer interaction won't require you to physically touch a thing. You've seen it before in a number of sci-fi films: some guy in a futuristic get up is waving his hands around, barking orders at a computer that seamlessly tracks his movement and executes every command with flawless accuracy. The proper name for this type of computer interaction is called a Natural User Interface (NUI), which describes the ability to issue commands to a device using nothing more than your own natural body movements, gestures, and voice. You'll no longer need to clean those germ-infested keyboards and touch screens or pick up new batteries for your wireless mouse or gaming controller. The possibilities are truly endless, and ...
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