[citation][nom]Arcolyte[/nom]Face detection is when you are taking pictures... not sure why you are think Facial recognition unlocking or something.[/citation]
"The camera app shortcut is also always visible on the lock screen for iPod and iPhone users, which means you don't have to unlock your phone to take photos."
Everyone was referring to two different things. They added face detection, and a shortcut to unlock straight into the camera.