Hooked Book Summary - Hooked Book explained in key points
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Hooked summary

Nir Eyal

How to Build Habit-Forming Products

4.6 (587 ratings)
21 mins
Table of Contents

Hooked
Summary of 10 key ideas

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It’s difficult to change or replace established habits.

Every New Year’s eve, people make resolutions to quit drinking, eat more healthily or get more exercise. When midnight strikes, we really are fully committed to making these changes.

So why is it that on January fifth most of us find ourselves sitting on the couch munching chips and guzzling beer?

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Key ideas in Hooked

  • Introduction

  • 1

    It’s difficult to change or replace established habits.

  • 2

    Habit-forming products generate high revenues and are hard to compete with.

  • 3

    Habit-forming products require users to go through the four stages of the Hook Model repeatedly.

  • 4

    To start the process of habit-building, products need an external trigger.

  • 5

    Once we develop internal triggers that make us use a product, we’re hooked.

  • 6

    Every product needs to motivate and, most importantly, enable potential users to use it.

  • 7

    Variable rewards are key in making users dependent on a product in the long term.

  • 8

    If users have invested something, be it time, money or effort, into a product, a habit will likely follow.

  • 9

    Companies should use the power of habit-building products responsibly.

  • 10

    To use the Hook model effectively, you have to know your product and what your customer wants.

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What is Hooked about?

Hooked (2014) explains, through anecdotes and scientific studies, how and why we integrate certain products into our daily routines, and why such products are the Holy Grail for any consumer-oriented company. Hooked gives concrete advice on how companies can make their products habit-forming, while simultaneously exploring the moral issues that entails.

Who should read Hooked?

  • Anyone who wants to understand how habits are formed
  • Anyone who wants to design a hugely successful product or enhance an existing one
  • Anyone who wants to understand how some products take advantage of our tendency to form habits

About the Author

Nir Eyal is a writer, teacher and consultant who has long advised start-ups and other businesses on designing successful products. He is the founder of two start-ups, both of which have since been acquired, and he contributes regularly to magazines like Forbes, TechCrunch and Psychology Today.

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