In 1966, at a lab at the Massachusetts Institute of Technology (MIT), computer scientist Joseph Weizenbaum unveiled one of the first chatbots in history: Eliza. It ran on a computer that was among the most advanced at MIT at the time — the IBM 7090 — and could be accessed through a typewriter-like terminal. Eliza had different “scripts” — or ways of interacting — and could mimic a math teacher, poetry teacher or a quiz master, among other things. But its most famous script was called DOCTOR, which emulated a therapist. Story continues below this ad Weizenbaum would later write...