http://wccftech.com/apple-animoji-iphone-x/

Apple is on a roll today and it is coming up with more and more features and products. The company just announced a new Animoji feature in iOS 11, which is an animated version of popular emojis that are present on the iPhone. These Animojis use the Face ID hardware and face-scanning features of the iPhone X to render custom 3D versions based on the facial expressions of the user.