Do they use their own in-house built A/B Testing or do they use some service such as Firebase?

How did Duolingo use A/B testing to become the kings of gamification? 👑
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jamie lewis
Maruf Hassan
·Follow
Sep 16, 2024
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Do they use their own in-house built A/B Testing or do they use some service such as Firebase?
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Written by Maruf Hassan133 Followers
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