
…hat the top quintile of users (the top 20%) are L28>=5. The top 10% most engaged users are L28>=15. If the app is really one that is supposed to be used once per week then it would be reasonable to say that a given user has achieved product-market fit if they are L28>3. In that case, 33% of the MAU have truly hit product-market fit and the other 67% are not engaged enough for us to really believe that the app is delivering the desired level of value.