Artificial Intelligence (AI) systems have made astonishing progress in the last year. In this series of talks and discussions, UC San Diego experts discuss ChatGPT and other generative artificial intelligence: What is it? How does it work? What are its ethical implications? And what impacts will it have on fields such as medicine, business, and education? In particular, Large Language Models (LLMs) — AI systems trained on massive amounts of text — have reached a surprising level of capability, with the most recent iterations able to write essays, poems, and computer code, and score near the 90th percentile on standardized tests such as the LSAT and the Math SAT. The most popular interface to this technology, ChatGPT, made the power of LLMs readily-available to the general public for the first time, and in doing so became the fastest-growing consumer application in history. It is clear that ChatGPT and other LLMs will have major impacts on how we work, learn, and live — and there is a sense that we have only seen the tip of the iceberg in terms of what these technologies can do.