After Shen Dong briefly touched on a few points, Zhang Tao, being an intelligent person, quickly grasped what it all meant and hurriedly implemented it. Beautifying the interface now is actually quite straightforward; only it requires a bit more finesse, and there's some difficulty, after all, beauty is subjective, and many people have different standards.
So, you'd need millions of designs uploaded into the system for everyone to find one that suits them best. Beautification might sound simple, but the challenge lies in diversity. So, it's something we'll have to develop over time. However, if we nail the basics, we can start promoting it right away.
Others haven't yet realized this. By the time they catch up and move forward, they'll have an epiphany about this feature—and they'll start to imitate. But by then, with another innovation already in place, how could they possibly win? There's something to be said for first-mover advantage.