Becoming an emoji
people on Snapchat, Instagram are big fans of putting emoji on their faces for the past few years, iPhone also has a new feature that you can use the camera to make yourself a unicorn (or a monkey or everything else). There are also sites like face rig that provides the service. All you need is a webcam and you will have a real-time facial animation that can almost mimic your facial expressions.
Here is a video about face rig and and beginner tutorial if you want to try it out.