Yeah, I'd be happy with a self study model where I could also ask occasional questions of a teaching assistant or better-informed peer, ideally over a voice con

Yeah, I'd be happy with a self study model where I could also ask occasional questions of a teaching assistant or better-informed peer, ideally over a voice connection so the latency between questions is minimized. Most online teaching models lack this but could benefit greatly from adding just a little rapid give-and-take to resolve the inevitable obstruction.