I've been putting off making this video because copyright is such a deep and complex topic. I compromised by making a very basic, surface-level video on the topic and linking to a bunch of videos where you can learn more. So here they are!
Here's the Khan Academy article I've been referecing:
https://www.khanacademy.org/computing/computers-and-internet/xcae6f4a7ff015e7d:digital-information/xcae6f4a7ff015e7d:digital-copyright-and-licenses/a/copyright-drm-and-the-dmca
Crash Course: Copyright Basics
https://www.youtube.com/watch?v=Tamoj84j64I
What's Up With Copyright?
https://www.youtube.com/watch?v=S-QI4oL0uF0&list=PLm8a9mXz_9Y6IfeguCKD6ljlw2s9MItjq&index=3
What is Copyright?
https://www.youtube.com/watch?v=ukFl-siTFtg
Understanding Copyright, Public Domain, and Fair Use:
https://www.youtube.com/watch?v=XzzkSZ0Jrko
What is Fair Use?
https://www.youtube.com/watch?v=FoqQYg4U0hM