"Duolingo has been through a lot of changes over the past few years. What was once solely a language-learning app has grown into a social media marketing machine, a destination for math and music lessons, and now an online chess tutor."
"In June, Duolingo launched a Duolingo Chess course to teach beginners the basic rules and moves by allowing them to play against an AI tutor named Oscar."
"Duolingo, which is on track to surpass $1 billion in revenue this year, has 48 million daily active users and 11 million paying subscribers."
"AI is not replacing engineers, but it is giving them a head start. Vibe coding has become a phenomenon, but we don't have any high-profile examples of a hit product that relied on it. Until now."
Duolingo expanded beyond language instruction into social media-style features, math and music lessons, and an AI-driven chess tutor. In June, Duolingo launched a Chess course teaching beginners the rules and moves through play against an AI tutor named Oscar. The company added a multiplayer version allowing users to compete against each other. Duolingo is on track to surpass $1 billion in revenue, reporting 48 million daily active users and 11 million paying subscribers. The chess course achieved rapid adoption within months, and AI accelerated development without replacing engineers, enabling faster product creation.
Read at Fast Company
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