Sam Altman, known for his role at OpenAI, has introduced a social network app named World, currently used by 25 million individuals across 100 countries. World 3.0 features a unique "Super App," including a human-centric app store for "Mini Apps" tailored for daily use. The "World Build" incubator program was also launched, partnering with entities like Friend with Benefits, Alchemy, Bain Capital Crypto, Blockchain Capital, and Variant Fund.