Thanks for summary. My 2 cents: I think Amazon search ads are more profitable than Google's. When user searches for product on Amazon, this user is only one cli

Thanks for summary. My 2 cents: I think Amazon search ads are more profitable than Google's. When user searches for product on Amazon, this user is only one click away from buying. Edit: There should be a differentiator for new search engine, there is more room (problems to solve) in Q&A search and Discovery.