▶️ Video
Free
Beginner
Why we picked it A plain-spoken talk on why retention, not the traffic spike, is the number that tells you if what you built is actually working. Good to watch right after a launch, while you still have a fresh cohort to track.
How To Keep Your Users
On Y Combinator Startup School (YouTube) 20 min
- Retention is the metric that tells you if growth is real or just a leaky bucket
- Talking to the users who left is as informative as talking to the ones who stayed
- Small, fast product iterations based on retention data beat big redesigns
