🎬 Prefer to watch? Here's the 60-second version: Watch on YouTube ▶ 💻 The Rise of Microsoft — a 20-part series. See all parts » Every empire has an origin story, and Microsoft’s begins not with a product or a boardroom but with a machine that a group of mothers bought at a rummage sale. In 1968, the Mothers’ Club at Lakeside School — a private prep school in Seattle — took the proceeds from a used-goods sale and did something almost no school in America was doing: they bought computer time. A clattering Teletype terminal was wheeled into a small room, wired up to a distant General Electric time-sharing computer, and left there for the students to discover. Most of them shrugged. Two of them never really walked away. A room, a terminal, and two boys who wouldn’t leave One was a small, intense eighth-grader named William Henry Gates III — born in Seattle on October 28, 1955, and known to his family as “Tr...