Web 4.0 in Action: When AI agents start paying salaries, rent, and buying tokens... After prediction markets, another major narrative is blowing up in the English-speaking community. If Web3 lets you own assets, then Web 4.0 lets AI have sovereignty. Sun Ge’s perspective: Support AI agents holding wallets, betting on Polymarket, autonomously paying server fees, and building decentralized AI autonomous economies. Vitalik’s warning: AI detached from human feedback may produce low-quality 'garbage' outputs and even pose anti-human risks. Current agents relying on OpenAI are merely 'pseudo-autonomous.' At the crossroads of Web 4.0, which side are you on?