It was once the stuff of science fiction security, open your eye wide and look into the camera to gain entry to the spaceship flight deck or press a finger tip or palm of your against the pad to access the secret database that lets you take control of the baddies' weapons. Today, of course, iris recognition, fingerprint readers, and other biometric systems are becoming increasingly commonplace. Most modern smart phones have a fingerprint reader that lets you unlock your phone without having to remember a password or number.
* This article was originally published here
