Videos

Indeed. Most of my skills are self taught but I suspect that's because no one ever taught in a manner that suited me.

I need visual and/or practical learning. Somebody talking at me just doesn't work. I lose interest or don't absorb the material. Slides or scribbles on a whiteboard help a bit but teachers and professors are severely lacking in visual communication. They certainly aren't going to create graphics and animations like this video which clearly and concisely express the concept.