I hate articles that don't define their acronyms! Lazy? Intentionally exclusive? So that others don't also have to look it up, it's Retrieval-Augmented Generat

I hate articles that don't define their acronyms! Lazy? Intentionally exclusive? So that others don't also have to look it up, it's Retrieval-Augmented Generation (RAG). They even say it's "a topic that we didn’t expect"... so... perhaps many people wouldn't have heard of it?