In 2017, just before Microsoft forged a partnership with a then relatively unknown startup called OpenAI, Bill Gates shared a memo with CEO Satya Nadella and a small group of the company's top executives. A new world order, Gates predicted, would soon be brought on by what he called "AI agents" — digital personal assistants that could anticipate our every want and need. These agents would be far more powerful than Siri and Alexa, with godlike knowledge and supernatural intuition.