I think for giant like intro level classes, it would make more sense to have kind of more informed or more educated approaches. Because when you're teaching 800, 900 people, it's not the same as a grad school seminar or something. And regardless of formal training, I feel like I've had teachers that were really good and the teachers that are really bad. But I'm sure all of them have looked into learning theory at some point. Yeah. That would be like one of those like things where you're trying to click through as fast as possible.