Eyeballs may be the future in smartphone security! Instead of saving all of your passwords and login information in a text file (which we are always told to NEVER do, but we all do it anyway), you could just have your smartphone camera track your eye movements to sign in. The newer Samsung smartphones (and now LG, too) already track your eye movements so that the screen only dims once you look away. New smartphones will also let us scroll across pages with our eye movements, too!
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