Toolset's "Smart Engine" is a bot that answers multiple choice questions. Input a question like, "Who wrote The Hobbit?" and answers like "Tolkein," "Tolkien," "Lewis," and "Heinlein" and it will answer correctly. The site is very sparse on how the engine works, but based on answers, I'd we willing to believe that it's doing some comparison to the top ten rankings from Google or another search engine on the initial query.
(Thanks, Linda!)