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Why You Should Test Everything and How To Do It — Osman Mansur, Duolingo

Sub Club by RevenueCat

NOTE

Product teams at Duolingo working on improving learning without being solely metrics-driven

Duolingo's learning R&D area has product teams that work on improving the app's teaching features. However, teaching better involves making content harder and could negatively impact top line metrics. These teams align with stakeholders and not just look at data. Additionally, Duolingo does not only do metrics-driven work but also focuses on reducing tech debt and improving product quality. When it comes to bug fixes, Duolingo patches them and runs a holdout experiment to assess the impact. This approach is cultural and likely came from the founders or very early on in the post.

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