Hooked by Nir Eyal: Summary and Notes

A product or service is considered successful if users come back without the need for costly advertisement or aggressive messaging.

Dan Silvestre
7 min readDec 22, 2020

“All humans are motivated to seek pleasure and avoid pain, to seek hope and avoid fear, and finally, to seek social acceptance and avoid rejection.”

Rating: 8/10

Related: Zero to One, Inspired: How to Create Tech Products Customers Love, The Lean Product Playbook: How to Innovate with Minimum Viable Products and Rapid Customer Feedback

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Hooked Short Summary

Hooked by Nir Eyal is a book that explains how tech companies get people to use their products repeatedly. User habits are explained by the Hook Model which consists of four looping cycles: trigger, action, variable reward, and investment. The Hook is an excellent book that explains user behavior towards technological products and services.

The Hook Model

The Hook Model explains the four-phase process that companies use to form habits.

The four phases are: trigger, action, variable reward, and investment.

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Dan Silvestre

Performance coach helping leaders get the right things done with less effort than anything they've tried before. Join 20k+ readers: newsletter.dansilvestre.com