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Light-up, animated keys are cool, but we want to do more. We like the idea of tiny OLED displays embedded in keyboard keys, but until we tried one of these futuristic keyboards, it seemed like nothing more than a way to show off. After all, don’t your fingers usually cover those buttons? But after trying the Art Lebedev Optimus Mini Three 2.0, a three-key version that’s not intended to replace a full-size keyboard, we’re highly supportive of the concept. Customizable, animated keys can show instant feedback.
You can practice meditation techniques with biofeedback from these sensors. To us, biofeedback has always seemed like the natural direction for input devices, where sensors can hook up to your body and read subtle changes in brain activity that would control what’s displayed on the computer—or, in our most advanced sci-fi fantasies—what the computer does. Companies such as NeuroSky (www.neurosky.com) are developing EEG brainwave-reading systems to control machines. These applications could eventually lead to a retail product that lets you move the cursor with your mind. Healing Rhythms introduces us to a few other biofeedback sensors designed to teach users about meditation and quieting the mind and body. The hardware and software don’t control the Mac otherwise, but instead monitor your responses as you move through various exercises. We got a kick out of watching the software change with biofeedback, and we even learned a few useful basic meditation techniques in the process.







