My biggest surprise in AI 2024 was that it seems that Bing did not manage to take any market share from Google:
https://bsky.app/profile/gnod.bsky.social/post/3ld43usdckk25
ChatGPT now has hundreds of millions of users. Personally, I do over 50% of my "searches" on LLMs now. And Bing, while having access to ChatGPT and being the default search engine on every Windows machine seems to not have gained any traction from it.