Keep pulling the thread on Luis von Ahn.
Duolingo estimates that approximately 15% of its new users are acquired through earned media and brand marketing related to its Green Owl mascot.
Duolingo runs approximately 2,000 A/B tests per year to optimize its product.
Duolingo's leadership has decided against A/B testing certain aggressive monetization tactics, such as full-screen ads on app open, to avoid prioritizing short-term revenue over long-term user experience.
Duolingo now uses AI to generate most of its language learning content, reducing the creation time for complex new features from a projected five years to just a few months.
Duolingo is developing an AI-powered feature that allows users to have spoken conversations with its animated characters to practice language skills.
Duolingo users complete over 1 billion exercises on the platform every day.
Luis Von Ahn predicts that within approximately three years, Duolingo's AI will be as effective for language learning as a good one-on-one human tutor.
The Duolingo English Test is accepted for admissions by 98 of the top 100 U.S. universities, according to the U.S. News and World Report rankings.
Duolingo is the most popular education app in the world, with about 100 million monthly active users.
Duolingo is a publicly traded company with a market capitalization of approximately $9 billion.
Duolingo has 8 million daily active users who have maintained a usage streak of longer than 365 days.
In the United States, 80% of Duolingo's users were not actively learning a language before they started using the app.