Green screen, also known as chroma key or color keying, is a fun feature that lets you fly with dragons or ride a unicorn. By removing a color from your video and adding layers, you can create a video starring you in all 11 roles or "travel" from Paris to New York in seconds! Quay, a student from North Carolina, found a creative way to use green screen when creating his final research paper: he sat down and had a chat about Asperger's Syndrome with himself! See the final result below: