If you're viewing this in format instead of reading it, you're watching the magic of the .

The concept is simple:

Film yourself speaking in front of a . Some are fabric. Some are painted on the wall in “ green,” and mine is actually a 9-foot wide roll of paper that I can lower down in front of my office bookcase.

Once the footage is recorded, it's brought into software which makes any green areas in the footage transparent.

A or is inserted behind the footage and there you have it.

Be careful not to wear green clothes or eyeshadow when you film as these areas will end up being transparent as well.