Duolingo Is Taking Over

I think it still happens all the time. You look at Duolingo, right? Some people don't call that a game, they just call it an app. Even simple little things like, you know, my car has a little efficiency meter that shows how efficient I'm driving and saving gas. It's such a trivial little mechanic, but it makes it more fun for me to be like, Oh, look at me. I'm being super efficient now. So it doesn't take a lot to really influence behavior. But it's fascinating.