Reversing is known to have a high barrier to entry, so I think it is a field that even undergraduate students studying information security find difficult to challenge. I also entered college and thought, "Reversing is difficult and I can't do it," so I never studied it. But after listening to this lecture, I immediately felt, "It's fun. It's not as difficult as I thought." I knew absolutely nothing about reversing, but I finished the lecture in a month. I was speechless when you even answered my questions on Monday morning. There is really nothing lacking. Just listen.