Duolingo's A/B testing use is causing users to flock to its premium model, now at 3.3 million accounts
April 4, 2023
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Pittsburgh Inno
'"We use A/B testing to optimize nearly everything related to our products, from new gamification features, to our learning content, to our Super [Duolingo] purchase page design, and even to the notifications that learners receive as reminders to do their lessons," said von Ahn'