I really do empathize and understand how people who are running these kinds of courses can sometimes end up with things that are a little bit disjointed because you just don't have the bandwidth usually to smooth out the whole thing, right? Yeah. And I think going into PhD maybe that's something you would not expect as much. You would know you would be doing research, but I think many people do end up getting kind of higher level roles in teaching a class or taking part in revising material. We revamped a lot of the homeworks at Georgia Tech for Intruterii. When I had had seen the computer vision class this last year, actually it went through a major change