How Duolingo Reignited User Growth

What’s missing is a mechanism that ties these stats into meaningful unlocks and progressive skill-building. How would you answer these questions? When a customer uses your product for months, what are they getting better at? How will you show personal or social progress in a compelling, meaningful way? How is your customer’s Day 30 experience diffe

Endgame (how do you retain your veterans).

As for my own reward, after finishing my verse, I received affirmation from a satisfying “Day Complete!” screen. A check mark appeared near the scripture I had read and another one was placed on my reading plan calendar. Skipping a day would mean breaking the chain of checked days, employing the endowed progress effect (previously discussed in chap

they saw a steady improvement in these metrics, which provided a strong enough signal that they would eventually succeed. As such, they kept “doubling down” on personalisation, assuming that the correlation to retention was real. All of its subsequent proxy metrics were improving, so it made sense to believe this. It wasn’t until 10 years later tha