Growth & Marketing

Retention, referral & virality

Keep them, and let them bring friends.

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Who's asking Everyone Aspiring Founder Idea-Stage Founder Builder Launcher Grower Indie Hacker Technical Solo Founder Non-Technical Founder Domain Expert Anywhere Founder Repeat Founder

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What's a viral coefficient, and is chasing a k-factor above 1 realistic for my kind of product? The viral coefficient (k-factor) is how many new users each existing user brings, and a sustained k above 1 means true self-sustaining viral growth... Advanced 3 resources →