Duolingo's CEO said the company "does not see AI as replacing what our employees do," after indicating it would replace ...

It's a nudge from Duolingo, the popular language-learning app, whose algorithms know you're most likely to do your 5 minutes of Spanish practice at this time of day. The app chooses its notification ...

Our writer headed to small-town Guatemala with just 130 days of app-learning under her belt – and found her travel experience ...