The board meeting lasted eleven hours. It was early 2005, and Mark Zuckerberg — barely twenty years old — was sitting across from people who wanted to buy his company for $75 million. Viacom, Friendster's backers, various media executives: they all saw a college social network growing at a rate that made no commercial sense to leave independent. Zuckerberg said no. He kept saying no. That refusal is the founding story that actually matters, because everything Meta became flows from a twenty-year-old's conviction that a real-name social directory was worth more than anyone offering cash could imagine. Rewind to February 4, 2004. Zuckerberg had already built CourseMatch (a tool for seeing who was in your classes) and Facemash (a controversial photo-ranking site that got him in trouble with Harvard's administration). Neither was a business. Both revealed an obsession with mapping real people and their relationships into software. TheFacebook launched that day with a constraint that turned out to be genius: you needed a harvard.edu email to join. That single rule — exclusivity by institutional trust — solved the identity problem that killed Friendster and made MySpace feel like a costume party. Eduardo Saverin put up the initial money. Dustin Moskovitz, Zuckerberg's roommate, wrote code to keep the servers alive as demand outran capacity within days. Andrew McCollum designed the early interface — clean, restrained, nothing like the garish MySpace pages of the era. Chris Hughes shaped how the product communicated with students, making it feel like a campus utility rather than a tech startup's experiment. The first real crisis wasn't user adoption. It was infrastructure. Harvard students signed up so fast that the founders spent more time keeping the site from crashing than building new features. The second crisis was legal: Cameron and Tyler Winklevoss claimed Zuckerberg had stolen their idea for HarvardConnection. That dispute would drag on for years and cost a $65 million settlement, but it never slowed the product. By spring 2004, TheFacebook had expanded to Columbia, Stanford, and Yale. Each campus launch followed the same playbook — .edu email gates, word-of-mouth virality, and the social pressure of being the last person in your dorm who hadn't signed up. Sean Parker showed up that summer. The Napster co-founder recognized what Zuckerberg was building and pushed the company toward Silicon Valley ambition. Parker became Facebook's first president, introduced Zuckerberg to Peter Thiel, and helped secure a $500,000 angel investment that gave the startup room to breathe. Thiel's bet looked speculative at the time — social networking was widely considered a fad that would burn out like Friendster. The decision to open Facebook beyond colleges in September 2006 was the company's first existential gamble. The exclusivity that built trust was also a growth ceiling. Zuckerberg bet that the product's real-name culture would survive without the .edu gate. He was right, but barely — the transition triggered user backlash and required careful product management to maintain the identity norms that made Facebook different from the open web. Then came 2007: the advertising platform launched, and Facebook stopped being a social experiment and started being a business. Sheryl Sandberg arrived from Google in 2008 and built the commercial machine — self-serve ad tools, a global sales organization, measurement systems that let small businesses spend $5 a day and see results. She turned attention into an auction. The 2012 IPO nearly killed the narrative. Facebook went public at $38 per share, raised $16 billion, and then watched the stock crater below $20 as investors panicked over mobile. The company had almost no mobile ad revenue, and smartphones were eating desktop usage alive. Zuckerberg's response was to make mobile the only priority — every meeting, every product review, every engineering sprint. Within two years, mobile ads were the majority of revenue. But the real save happened two months before the IPO: Facebook agreed to buy Instagram for $1 billion. Thirteen employees, no revenue, 30 million users. The price looked insane. It turned out to be the best acquisition in tech history. Instagram gave Meta a mobile-native visual platform, a younger audience, and eventually a creator economy that generates tens of billions in ad revenue annually. A Harvard directory became a $201 billion company because one person kept refusing to sell, kept betting on identity over anonymity, and kept acquiring the next behavioral shift before it could become a competitor.