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NBCNews.com | Aired on September 24, 2012Unbreakable passwords are hiding in your body
Text passwords are unsafe, fingerprints and retinas can be faked. So how do you make an unbreakable password? A Canadian inventor is developing a biometric monitor that fits inside a shoe that he says is unhackable. Doors open for you — and nobody else. Richard Lui and Bob Sullivan report on technology that will change digital security forever.
