The Hook Model

Summary

Nir Eyal's framework for habit-forming products — Trigger, Action, Variable Reward, Investment — a repeating loop that makes a product more likely to be revisited.

• 1Map a habit-forming app you use onto the 4 stages of the Hook Model.
• 2Identify the 'variable reward' in that product and why it keeps you coming back.
• 3Consider the ethical line between healthy engagement and manipulative dark patterns.