Google is currently in an existential crisis on this front... Microsoft is already
way ahead of the game when it comes to integrating LLMs into productivity tools & search. This recent product announcement about Microsoft 365 integration is almost magical:
https://www.youtube.com/watch?v=Bf-dbS9CcRU
Best of all: Advertising needn't be the business model! And Microsoft is a major investor / partner for OpenAI.