If you have used a computer at some point in your life, chances are good that youve recorded some sensitive information on it. The Myris, a USB gadget from EyeLock, aims to put your information behind one of the safest keys available: the human eye. The Myris, which made its commercial debut at CES 2014, is a small hemispherical object that plugs into any computer via USB and scans a users iris to unlock the machine.