Book review: What is ChatGPT doing… and why does it work?

This was a nice and understandable introduction to ChatGPT, by the noted scientist Stephen Wolfram who is also the creator of Mathematica software. Given that there would be a lot of maths underpinning the workings of ChatGPT, Wolfram does a good job not overloading you with the details. He uses simplified models and lots of [ ]