The eyes are the window to the soul, so says the old adage. And for companies developing eye-tracking technology, they're becoming the ultimate Peeping Toms.
Front-facing cameras are certain to become standard on all devices, and they'll be equipped to not only monitor what we read online, but how we read it. They'll watch how long you linger on a word or image, how your pupils dilate, how fast you blink. Why? Because those details provide a wealth of important information about their favorite customer: you. And that means big bucks for them in terms of advertising revenue.
Read More: http://news.discovery.com/tech/future-eye-tracking-120328.html
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