translation.en: Number two thing that Howard did is he made us realize -- it's another very critical point -- he made us realize the importance of what he likes to call "horizontal segmentation."
translation.zh: 霍华德的第二个成就，就是让我们认识到， 这一点也非常重要， 他让我们认识到他所谓的“横向分类”的重要。