
Viral growth often hinges on a small, repeatable 'nudge' in onboarding that triggers higher long-term retention, not flashy features.
Referral programs that reward sharing more than the user's direct value dramatically outperform cash incentives over the long term.
The fastest growing apps leverage micro-virality: tiny, personal moments that echo within a user’s network rather than broad campaigns.
A/B testing macro metrics hides the real driver: a single, consistent retention loop woven into the first 48 hours.

Viral growth often hinges on a small, repeatable 'nudge' in onboarding that triggers higher long-term retention, not flashy features.
Referral programs that reward sharing more than the user's direct value dramatically outperform cash incentives over the long term.
The fastest growing apps leverage micro-virality: tiny, personal moments that echo within a user’s network rather than broad campaigns.
A/B testing macro metrics hides the real driver: a single, consistent retention loop woven into the first 48 hours.