Rise of the eye phones [News]

Gaze-tracking software is bringing hands-free control to phones and tablets. Go ahead, wake up your smartphone. No, don't touch it! Just look at it. Wait for a second...and...yes! It recognizes you. You don't even need to key in a pass code. Your phone identifies the unique way your eyes flicker. See? What app do you want to open? News? Okay, stare at the icon. Want to scroll through an article? Look down. Pause a video? Look away.