Catch up on some of the maths, eg https://mml-book.github.io/ https://mml-book.github.io/ I suspect that AI business is in such a place at the moment that any

Catch up on some of the maths, eg https://mml-book.github.io/ https://mml-book.github.io/ I suspect that AI business is in such a place at the moment that any warm body with decent technical skills can get in as-is. And there's "AI" going on in lots of non-AI-branded business too.