What is Google Gemini?

Google has been in its "Gemini era" for a couple years now, and while the confusing rebrandings have slowed, everything else continues to improve at a rapid pace. Gemini is the name Google gave to its current generation family of multimodal AI models, but in typical Google fashion, it also applies to basically everything else that's related to AI. It can get a touch confusing since, by my reckoning, Google has: Google Gemini, a family of multimodal AI models. The latest is the 3.6 series, thoug