The latest online craze is the PS2-style AI filter, which instantly transforms real people into game NPCs. Douyin blogger "Sister Shima" used the PS2-style AI filter to turn herself into a character from the King of Fighters game, sparking heated discussions. The AI filter, powered by deep learning technology, converts photos and has become a trend on Douyin. Users can create and share content through the AI filter, enhancing the fun of social media interaction.