The Secret to Duolingo’s Growth
Duolingo, which was also driven almost exclusively by word of mouth, optimized for free user growth: “By offering all of its learning content for free, Duolingo built a massive user base through word of mouth and no paid marketing. This also helped us build a growth revenue loop: Building a free and fun product → more users → more subscribers → mor... See more
Lenny Rachitsky • How to win in consumer subscription
...is what approach you use to *acquire customers at scale.*
Meaning, what's your *distribution* insight?
Not just your product insight.
Because if you build something good, often they will not simply come.
Julian Shapirox.com