PMF is not a single moment but an ongoing pursuit with clear signals

How to Build Products Users Love · Lenny Rachitsky

Break growth into engines, turbo boosts, lubricants, and fuel

How to Build Products Users Love · Lenny Rachitsky

Track both the purchase moment and every moment of actual use

Competing Against Luck: The Story of Innovation and Customer Choice · Clayton M. Christensen, Taddy Hall, Karen Dillon, David S. Duncan

Focus your entire startup on one critical number at a time

Lean Analytics · Alistair Croll & Benjamin Yoskovitz

Get users to store value so they cannot leave without losing something

Hooked · Nir Eyal

Three-step method to discover what hooks users and replicate it at scale

Hooked · Nir Eyal

Lock in customers so that the cost of leaving exceeds the benefit of any alternative

7 Powers · Hamilton Helmer