In today's revelations, Apple introduces us to a more down to earth and practical security system for our portable devices. For simple home or personal use, the system could be setup to recognize your presence and face to quickly turn on your device. This would bypass the need for entering a password or even having to touch the home button to get to your homepage. For use at work, the facial recognition system could be set to higher levels of security. All in all it sounds like a very promising security system is in our future.I highly recommend this article.