I think language learning is a growth area for intelligent machine interactions: a machine can understand pretty well if you are saying the right thing, like Du

I think language learning is a growth area for intelligent machine interactions: a machine can understand pretty well if you are saying the right thing, like Duo Lingo tries to do. If it could add in some actual conversation flow, it would start to emulate a teacher or a conversation class. I'd certainly try it out - Eliza in Spanish?