What are the potential ways for companies to make money using LLMs for search? If they start altering the LLMs output with ads, it will significantly reduce the

What are the potential ways for companies to make money using LLMs for search? If they start altering the LLMs output with ads, it will significantly reduce the usefulness of the search results, like watching a sponsored video on YouTube. On the other hand, if they only display banner ads related to the search, users can simply ask the LLMs for the best product based on their needs, and ignore the ads completely. Only a few users are probably likely to opt in for a monthly subscription, while the majority wouldn't.