I decided to focus on creating a video series explaining important concepts of computer science and programming. This new episode is about abstraction.
It gives a short overview, some analogies and visual explanations, then proceeds to a couple of examples showing how one might add or remove abstractions in a real app.
This is quite new to me, and I hope you'll find it useful. Don't hesitate to leave any kind of feedback. I'll do my best to learn and improve my work :-)