World-building often happens on the small screens within the big screen.
From fake TV broadcast footage, to invented (but coherent) UIs; from comedic backdrops, to dramatic props; in this video, Vox‘s Phil Edwards speaks with VFX artist Todd Marks about his work creating the screens that appear within the scenes in movies and TV shows:
Try It Yourself
Here’s a roundup of tutorials and resources for screen replacement in your own production:
Further Viewing
The “screens inside movies” video also includes a brief glimpse of where this fits into the sometimes-production, more-often-post-production process, which is elaborated upon more in Vox’s look at how TV shows get made: