In 1971, a small start-up launched the Intel 4004, the first general-purpose microprocessor. They had no idea it would be so big. — THE WORLD CHANGED forever on November 15, 1971. And hardly anyone noticed. China had just been admitted to the United Nations, Apollo 15 astronauts had driven the first lunar rover on the Moon, Amtrak began intercity passenger services, Pink Floyd dropped their sixth studio album, Meddle, and Stanley Kubrick’s dystopian…