IN PICTURES: Bye-bye, mouse. Hello, mind control

New interface methods will revolutionise how we interact with computers

Eye tracking

A difficult technology to commercialize is eye tracking, which is commonly used to see which portions of an ad or Website viewers look at first. It is also used to improve communication for the handicapped. Reynold Bailey, a computer science professor at the Rochester Institute of Technology, uses eye-tracking technology to teach doctors to read mammograms better. But he doesn't expect eye tracking to replace a mouse for general-purpose use. “With the mouse, you can hover over a link and decide whether to click or not. With the eye, you might just be reading it, so you don't want to activate everything you look at.”

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