I'm not sure of Duolingo still qualifies as a little guy. Certainly there are opportunities for using AI to improve language teaching that are perhaps under dev

I'm not sure of Duolingo still qualifies as a little guy. Certainly there are opportunities for using AI to improve language teaching that are perhaps under developed at Duolingo. Duo has started with AI. There is some limited opportunity for entering text which an AI will correct for you. But a lot more is possible.