📖 Book
Paid
Intermediate
Hooked: How to Build Habit-Forming Products
From Portfolio / Penguin (nirandfar.com) by Nir Eyal (with Ryan Hoover) Book (~256 pages)
Why we picked it
The definitive framework for building products people return to without paid nudges, the Hook Model, backed by a million-plus copies sold and used across top consumer products.
- The Hook Model: Trigger, Action, Variable Reward, and Investment.
- Reduce friction on the action and boost motivation to form habits.
- The 'investment' step makes the product better on each return, compounding retention.