~upd~ — Hooked.pdf

Hooked: How to Build Habit-Forming Products by Nir Eyal outlines a four-step framework—Trigger, Action, Variable Reward, and Investment—for creating habit-forming technology. Alternatively, Emily McIntire’s

For more information, you can explore the resources on the author's official site.

Stop there. Nir Eyal later wrote a follow-up book ( Indistractable ) specifically because people misused the Hook Model. The goal of habit-forming technology is to create positive routines that end when the user chooses (e.g., "I studied Spanish for 15 minutes"). Hooked.pdf

And remember: Great habits change lives. Bad habits ruin them. Build accordingly.

You want the core principles of behavioral design without reading 250 pages of dense psychology. Or, perhaps you need a shareable document for your product team. Hooked: How to Build Habit-Forming Products by Nir

If you simply download a and read it, you will feel smart. You will recognize the "Hook" in every app you use. However, you won't be able to build a habit-forming product.

The user must perform a simple action in anticipation of a reward. Eyal relies on Fogg’s Behavior Model: (Behavior = Motivation + Ability + Trigger). Designers must make the action ridiculously easy (low friction). Example: Swiping right on Tinder requires zero thinking. Nir Eyal later wrote a follow-up book (

Instead of hunting for a low-resolution PDF scan, here is where to get the actual materials legally and effectively: