Gemini in search (AI Overview) is likely the most used LLM in the world, and ads can still surface around it.

(googler, opinions are my own. I know nothing about this outside of external info)

Is it the most used LLM because people want to use it, or because it literally can't be turned off aside from an obscure search parameter or using a slur in your search

my dad is using it every single day, without clearly even understanding this is llm. He knows chatgpt, but he is using voice search that lands llm 80% of the time.

Is there a difference?