The article discusses Duolingo’s plans to introduce an AI chatbot named Lily to enhance user engagement and increase daily active users on its language-learning app. Lily, powered by GPT-3 and other large language models, will converse with users in a friendly and encouraging manner, providing personalized feedback and support. The chatbot aims to make language learning more interactive and engaging, addressing a common challenge of maintaining motivation. Duolingo expects Lily to drive higher retention rates and attract new users seeking a more immersive learning experience. The company plans to launch Lily in 2024 and believes it will contribute to revenue growth by increasing subscription conversions and in-app purchases. However, concerns were raised about potential misuse of the chatbot and the need for robust safety measures. Overall, Duolingo sees Lily as a key innovation to enhance its product offerings and stay competitive in the language-learning market.