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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.

For companies, the desire is to achieve the goal of unprompted user engagement with their products.

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

The Habit Zone

Habits are one of the ways the brain learns complex behavior. Habits give us the ability to shift our focus to other things because most habits are automatic responses.

User habits are good for business because they create unprompted user engagement.

For example:

Most people readily open the Facebook app on their phone without the need for advertisement or reminder from Facebook. Their behavior is…

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Dan Silvestre
Dan Silvestre

Written by 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

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