A year ago, Watson couldn’t say the word “koala.” Watch as his speech progresses thanks to the tweaks of IBM engineers, so that now we have a computer that can not only respond to the clue “Johann, can I borrow some sugar? In Weimar, Schiller’s house is around the corner from this great author?” under the category of “‘G’-male,” but can teach us how to pronounce Goethe.Still, it can’t hear a darn thing.