After Jelly Bean Launch on nexus 7 tablet at Google IO this week. Google has added Liveness check to Face Unlock on jelly Bean Android. With Liveness check there are several other features which are added to face Unlock system of Android like adding four additional pictures with glasses, different lighting, beards and more.
Liveness has improved the security of every Android device which is compatible or uses face recognization. After Liveness owners need to blink eyes to get unlock their devices. This is also excellent update to Android Jelly Bean. What you think about it?