🍎 The Rise of Apple — a 20-part series. See all parts » | « Part 3: Going Public By the end of the 1970s, Apple had a hit computer, a landmark IPO, and a problem it could not code its way out of: nobody actually knew how to talk to a computer. You typed cryptic commands at a blinking prompt, memorized syntax, and hoped. The machine sat there, patient and useless, until you spoke its language. The great leap of the early 1980s was not a faster chip. It was teaching the computer to speak ours — and the ideas that made that possible were sitting, largely unused, in a research lab a few miles from Apple’s door. The lab that invented the future and forgot to sell it Xerox — the copier company — had opened the Palo Alto Research Center, or PARC, in 1970. Its mandate was loose and its budget generous, and the result was one of the most astonishing runs of invention in the history of technology. In 1973, PARC engineers fin...