: ChatGPT, Bard and Ernie - AI-powered chatbots are all over the news, praising their prowess and highlighting challenges they face. Big tech companies behind these creations seem to be racing for media coverage and market share in a market that had not even existed in late 2022. This AI media battle is not the first, of course, with tech companies regularly jousting in areas such as autonomous vehicles, generative content, image analysis and voice assistants. What are the technical and legal risks associated with these technologies and the new uses they are opening up ? This article, the first in a series on generative AI, on the language processing and learning methods used to operate a chatbot, using ChatGPT as an