Launched in 2001, KurzweilAI explores the forecasts and insights on accelerating change articulated in Ray Kurzweil’s landmark books — notably The Age of Spiritual Machines and The Singularity Is Near — and updates these books with key breakthroughs in science and technology. The “AI” in KurzweilAI refers to “accelerating intelligence,” a core concept that underlies the exponential growth of the pervasive information-based technologies — both biological and machine — that are radically changing our world.