Artificial Intelligence
What a large language model does, how it is trained, why capability has risen on a predictable curve, and what the industry looks like in October 2026: the frontier labs heading for the stock market, a build-out of about $800 billion a year, agents that work for hours, the open-versus-closed split with China, the harms and the laws, and whether the money is ahead of the technology. Opens with a dated table of the state of the art and a Who's Who.