Amy Ko, a computer scientist at the University of Washington in Seattle, invokes a long-running US quiz show to describe the tool's limitations, writing on the Mastodon social-media site: "ChatGPT is like a desperate former Jeopardy contestant who stopped following pop culture in 2021 but really wants to get back into the game, and is also a robot with no consciousness, agency, morality, embodied cognition, or emotional inner life." ...ChatGPT and related tools based on large language models (LLMs), which include Microsoft Bing and GitHub Copilot, are incredibly powerful programming aids, but must be used with caution. According to a study2 co-authored by linguist Emily Morgan at the University of California, Davis, chatbots - like the human-written code on which they were trained - often create what she calls "simple, stupid bugs". Iza Romanowska, a complexity scientist who studies ancient civilizations at the Aarhus Institute ofAdvanced Studies in Denmark, has used ChatGPT to produce code in a language called NetLogo. Because there's less online code written in NetLogo than in the languages Python and R, ChatGPT is less fluent in it.