Yep. And educational videos almost always skip over useful information, or don't explore something I'm interested in, or... Self-directed learning is the best

Yep. And educational videos almost always skip over useful information, or don't explore something I'm interested in, or... Self-directed learning is the best learning. Consider me sold, it's a pretty simple mashup in principle but it's immediately clear why it would work well (both implementation and as a user).