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How Duolingo Gamified Language Learning
In this episode of Startup Stories, Lucas and Luna dive into the psychology and design decisions behind Duolingo's gamification engine. They unpack the famous streak system, the role of notifications, and the controversial move to remove the forum—all while weighing the trade-offs between engagement and learning outcomes. With specific numbers like the 3 billion exercises completed daily and the 44 percent of users who say they hit their streaks out of fear, the conversation reveals how a product-led growth machine keeps 500 million users hooked without burning cash. Along the way, Lucas…
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