What is *Hooked by Nir Eyal* about?

*Hooked* explains how companies create habit-forming products using a four-step "Hook Model": triggers, actions, variable rewards, and investments. Nir Eyal reveals how apps like Facebook and Instagram leverage psychology to drive unprompted user engagement, turning casual users into habitual ones. The book combines behavioral science with practical strategies for building products that stick.

Who should read *Hooked by Nir Eyal*?

Product managers, marketers, and entrepreneurs seeking to design habit-forming technologies will benefit most. It’s also valuable for consumers interested in understanding how apps manipulate behavior. The book offers actionable frameworks for embedding user habits, making it essential for tech-driven industries.

Is *Hooked by Nir Eyal* worth reading?

Yes—it’s a *Wall Street Journal* bestseller translated into 30+ languages. The Hook Model provides a proven blueprint for habit-forming products, backed by case studies from Twitter, Pinterest, and others. Critics note its ethical implications, but its insights remain critical for modern product design.

What are the four phases of the Hook Model?

1. **Triggers** (external/internal cues prompting action). 2. **Action** (simple behavior anticipating reward). 3. **Variable Reward** (unpredictable gratifications). 4. **Investment** (user efforts that increase product value). This cycle creates self-reinforcing habits.

How does *Hooked* define "variable rewards"?

Variable rewards are unpredictable incentives (social validation, novelty, or personal achievement) that keep users engaged. Examples include Instagram likes (social rewards) or TikTok’s algorithm-driven content diversity. This unpredictability taps into dopamine-driven feedback loops.

What is the "Habit Zone" in *Hooked*?

The Habit Zone occurs when a product’s **frequency of use** and **perceived utility** intersect. High-frequency products solving persistent needs (e.g., Slack for communication) dominate this zone, fostering automatic user behavior without external triggers.

What are criticisms of *Hooked by Nir Eyal*?

Critics argue the model can exploit psychological vulnerabilities, fostering addiction. Eyal addresses ethical concerns by advocating a "Manipulation Matrix" to ensure products align with user well-being. However, some companies misuse these tactics for short-term gains.

How does *Hooked* apply to non-tech industries?

The Hook Model works for any habit-forming service: fitness apps (variable rewards via achievements), e-commerce (limited-time discounts as triggers), or even education platforms (gamified learning investments). The principles transcend tech, focusing on behavioral loops.

HOOKED 幸せになるための「依存」のつくり方

ニール・イヤール

4.12(49000 Reviews)

『HOOKED 幸せになるための「依存」のつくり方』の概要

シリコンバレーのエリートたちが、なぜニール・イヤールによる抗いがたい製品を生み出すための設計図『Hooked（フック）』を支持するのか、その理由を探りましょう。著者の4ステップからなる「フック・モデル」を用いて、企業はデジタル中毒を設計しています。論争を呼びつつも革命的な本書は、何十億もの人々がスマートフォンに手を伸ばし続けてしまう心理的なトリガーを明らかにしています。

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第1章

The Technology That Hijacks Your Brain

Imagine checking your phone within fifteen minutes of waking up. Sound familiar? You're not alone-79% of smartphone owners do this. One-third of Americans would rather give up sex than lose their cell phones. We've become hooked on technology, forming powerful habits that shape our daily lives. But this isn't random-it's engineered. When Nir Eyal couldn't find a blueprint explaining how companies create habit-forming products, he created one himself. After studying hundreds of companies and drawing from psychology, human-computer interaction, and behavioral economics research, he developed the Hook Model-a four-phase process that explains how products like Instagram, Twitter, and Pinterest capture our attention and keep us coming back. The model has since become required reading in design programs at Stanford and influenced product development across Silicon Valley. What makes Eyal's work particularly fascinating is how it bridges the gap between business strategy and neuroscience. His insights have been embraced by everyone from tech entrepreneurs to addiction specialists, making "Hooked" one of the most influential product design books of the past decade. Let's dive into how the most successful tech products engineer our habits-and what that means for our lives.

第2章

The Power of Habit-Forming Products

Our habits operate largely on autopilot, governing an estimated 40-45% of our daily actions with minimal conscious intervention. When Nir Eyal shifted his morning run to evening, he found himself bizarrely greeting people with "Good morning!" and even mindlessly shaving afterward-behaviors triggered by the run regardless of the time of day. This phenomenon illustrates how deeply habits can be wired into our neural pathways, creating automatic response patterns that persist even when the context changes. Similar examples appear in countless daily routines, from checking our phones upon waking to following the same commute path on weekends. For businesses, creating habit-forming products delivers tremendous advantages that extend far beyond initial adoption. First, they dramatically increase customer lifetime value by extending usage duration and frequency. Consider Evernote's fascinating "smile graph"-after 42 months, 26% of users who initially used the free service converted to paying customers. This conversion pattern defies traditional marketing funnels, where engagement typically decreases over time. Instead, habit-forming products create expanding value through increased engagement, deeper integration into users' lives, and growing dependency on the service's features and stored data. These products also supercharge growth through viral sharing mechanisms and network effects. Facebook's domination over MySpace wasn't just about features-it was about creating shorter "Viral Cycle Time," the period between when a user first experiences a product and when they invite others. By reducing this cycle from days to hours through features like photo tagging, friend suggestions, and event invitations, Facebook achieved exponential growth that competitors couldn't match. WhatsApp demonstrated similar dynamics by making group messaging seamless and reducing friction in international communication. Perhaps most importantly, habit-forming products create formidable competitive advantages through behavioral lock-in. Harvard's John Gourville discovered that new products must be nine times better to break users' existing habits-old habits truly die hard. The QWERTY keyboard persists despite superior alternatives like Dvorak because the switching cost is too high for most users to justify the change. Similarly, products like Slack become entrenched in organizational workflows, making alternatives increasingly difficult to adopt even if they offer marginal improvements. These advantages explain why companies invest so heavily in habit engineering. Products in the "Habit Zone"-those used frequently enough or delivering sufficient perceived utility-become default behaviors that users turn to automatically. Google searches occur multiple times daily but are only marginally better than competitors, while Amazon shopping happens less frequently but delivers tremendous value through comparison shopping, reviews, and Prime benefits. The key is finding the right balance between frequency and utility that matches user needs and creates sustainable engagement patterns. The most successful products often begin as "vitamins" (nice-to-haves) but transform into "painkillers" (must-haves) once the habit forms. Facebook, Twitter, and Instagram didn't solve obvious pain points initially, but became essential to users' social lives and professional networks over time. This transformation occurs because habits create psychological and emotional dependencies - missing a daily Instagram check-in or Facebook update can create genuine discomfort, an "itch" that only the specific product can scratch. This progression from convenience to necessity represents the ultimate achievement in product design and business strategy.

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第3章

The Trigger: Starting the Habit Loop

Habits begin with triggers-the actuators of behavior that move us to action. Like the irritant that causes an oyster to form a pearl, triggers provide the foundation for behavior change. They come in two types: external and internal. External triggers contain information that tells users what to do next. They can be explicit, like a Coca-Cola vending machine asking "Thirsty?" or a prominent "Log in" button in an email. Or they can be implicit, like web links we know to click or app icons we know to tap. Effective triggers reduce thinking by making the next action obvious-too many choices can cause hesitation or abandonment. Companies use four types of external triggers: Paid triggers like advertising effectively acquire new users but are too costly for retention; earned triggers like press mentions generate free attention but are unpredictable; relationship triggers spread through word-of-mouth and can drive viral growth; and owned triggers occupy space in users' environments (app icons, email newsletters) and drive repeat engagement with users' permission. While external triggers initially drive engagement, the ultimate goal is to form associations with internal triggers-negative emotions like boredom, loneliness, and frustration that prompt almost instantaneous, mindless actions to relieve discomfort. When you feel bored and automatically open Twitter, or feel lonely and instinctively check Facebook, you're responding to internal triggers. Creating habit-forming products requires identifying users' emotional pain points rather than focusing on product features. Since people rarely understand their own motivations, designers must look beyond what users say they want to observe what they actually do. Methods like user narratives, the "5 Whys" technique, and empathy maps help uncover the core emotions driving behavior. Instagram's success stems from understanding its users' triggers. Initially, external triggers like friend recommendations drove adoption. With repeated use, Instagram formed strong associations with internal triggers-particularly the fear of losing special moments and FOMO (fear of missing out). The app alleviates these negative emotions by allowing users to capture photos and connect with others. By addressing these emotional pain points, Instagram established itself as the automatic solution, creating a powerful habit loop that brings users back repeatedly throughout the day.

第4章

The Action: Simplifying Behavior

For habits to form, taking action must be easier than thinking. Dr. B.J. Fogg's Behavior Model explains that three components must converge for any behavior to occur: motivation, ability, and a trigger (B = MAT). If any component is missing or inadequate, the behavior won't happen. While triggers cue actions, motivation defines the desire to act. According to Fogg, three Core Motivators drive our desire: seeking pleasure and avoiding pain; seeking hope and avoiding fear; and seeking social acceptance and avoiding rejection. Advertisers regularly tap into these motivators-Obama's 2008 campaign leveraged hope through Shepard Fairey's iconic poster, while Budweiser uses social cohesion by showing friends enjoying beer together. However, even with proper triggers and motivation, users often don't take action because of limited ability. Denis Hauptly's innovation formula involves removing steps until you reach the simplest possible process. The internet's evolution demonstrates this principle-from dial-up modems to instant connectivity, each simplification increased adoption. Evan Williams, cofounder of Blogger and Twitter, describes his approach as: "Take a human desire... and use modern technology to take out steps." The web's evolution from Web 1.0 to social media platforms like Twitter, Instagram and Pinterest shows how making content creation easier dramatically increased participation. Fogg identifies six "elements of simplicity" that influence a task's difficulty: time required, monetary cost, physical effort, mental effort (brain cycles), social deviance, and non-routine nature. To increase likelihood of action, designers must identify the user's scarcest resource in that moment and address it. While both motivation and ability are necessary for behavior, companies should invest first in increasing ability. Improving ease of use provides the greatest return on investment because increasing motivation is expensive and time-consuming. Users ignore instructions, multitask, and have little patience for explanations. Reducing effort is more effective than increasing desire. Twitter's home page evolution demonstrates this principle. From 2009 to 2013, Twitter transformed its approach from a cluttered, text-heavy design to a radically simplified interface with just two clear calls to action: sign in or sign up. By 2012, Twitter discovered that driving users to experience the service yielded better results than trying to persuade them on the home page. Companies can also boost users' motivation or ability by understanding mental shortcuts called heuristics. The scarcity effect explains why we value identical cookies more when they appear scarce. The framing effect shows how context shapes perception-wine tasters reported greater enjoyment when told they were drinking expensive wine, even when tasting the same wine multiple times. The anchoring effect reveals how we fixate on one piece of information when making decisions, while the endowed progress effect demonstrates that people are more likely to complete tasks when they feel they've already made progress.

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第5章

The Variable Reward: Creating Craving

The third step in the Hook Model is variable reward, which reinforces users' motivation for actions taken in the previous phase. What drives our actions isn't the reward itself but the need to alleviate the craving for that reward. Stanford professor Brian Knutson's research revealed that our brain's pleasure center activates not when receiving rewards, but in anticipation of them. This explains why we're drawn to unpredictable experiences-novelty captures our attention. Our brains evolved to identify causal relationships and conserve attention through habits, but when something breaks our expected patterns, we become newly engaged. B.F. Skinner's experiments revealed how variability dramatically increases behavior frequency. When pigeons received food pellets after random lever taps rather than consistently, they tapped much more frequently. This variability increases dopamine levels in the nucleus accumbens, driving our search for rewards. Variable rewards come in three types: tribe, hunt, and self. Social media platforms like Facebook provide tribal rewards through likes and comments-powerful social validation on variable schedules. Every post creates anticipation of tribal approval, leveraging Bandura's "social learning theory" where people who observe others being rewarded are more likely to alter their own behavior. Hunt rewards tap into our evolutionary history as persistence hunters. While San hunters of South Africa chase kudus for hours using their superior heat dissipation abilities, we now hunt for information and resources. Twitter's endless scrollable feed of unpredictably valuable information and Pinterest's design that intentionally cuts off images at the bottom of the screen compel users to scroll further to see what's hidden below. Self rewards come from personal gratification-the satisfaction of conquering obstacles and achieving competency. Video games like World of Warcraft provide rewards through leveling up, while email creates a sense of accomplishment through inbox management. Codecademy turns learning to code into an engaging challenge by providing immediate variable feedback as users master new skills. Not all variable rewards work equally well. Mahalo.com's question-and-answer forum offered monetary rewards for good answers but ultimately failed to retain users, while Quora thrived without offering any financial incentives. This demonstrates that rewards must align with users' actual motivations. Gamification elements only work when they scratch the user's genuine itch. Products must also maintain users' sense of autonomy. When Quora revealed users' browsing history without consent, they sparked a revolt. People resist being told what to do-psychologists call this reactance. Successful products maintain users' sense of choice rather than coercion. Another consideration is variability type. Breaking Bad captivated audiences through suspense and resolution cycles, but even the most engaging content eventually loses appeal. This illustrates "finite variability"-experiences that become predictable with use. In contrast, platforms with "infinite variability" like World of Warcraft (with multiplayer interactions) or content creation sites like Dribbble maintain engagement longer because they continually offer novel experiences. The most habit-forming products utilize multiple reward types: tribe (social rewards), hunt (material resources and information), and self (mastery and completion). Email exemplifies all three: we wonder who's messaging us (tribe), what opportunities await (hunt), and feel compelled to eliminate unread messages (self).

第6章

The Investment: Increasing Future Value

The investment phase is the final step in the Hook Model, where users put something of value into the system. Unlike the action phase which focuses on immediate gratification, investments are about anticipating longer-term rewards. This phase actually increases friction deliberately, asking users to do work after they've received variable rewards. For habits to form, users must experience a change in attitude about the behavior. The escalation of commitment phenomenon shows how our brains do strange things when we invest effort-from playing video games until exhaustion to switching political allegiances. The more users invest time and effort into a product, the more they value it-our labor leads to love. In Ariely's origami study, people valued their own paper creations five times higher than others did, nearly matching expert-made valuations. This "IKEA effect" explains why the furniture retailer's self-assembly model works so well-customers irrationally value products they've built themselves. Our past behaviors strongly predict future actions. In a study with yard signs, residents who first agreed to place small "BE A SAFE DRIVER" window signs were 76% likely to later accept large, unsightly "DRIVE CAREFULLY" lawn signs, compared to just 17% of those without prior commitment. Small initial investments can dramatically influence future behaviors. Habit-forming technology leverages user investments to enhance future experiences. The stored value increases likelihood of repeated use and comes in various forms: content (songs in iTunes, photos on Facebook), data (LinkedIn profiles, Mint.com budgets), followers (Twitter connections), reputation (eBay seller ratings), and skill (Adobe Photoshop expertise). These investments create "switching costs" that make users reluctant to abandon services where they've invested time and effort. Learning to use Adobe Photoshop represents hours of skill development that users would need to repeat if they switched to a competitor's product. Habit-forming technologies also leverage users' past behavior to initiate future external triggers. During the investment phase, users set future triggers that provide companies opportunities to reengage them. Any.do tackles the challenge of mobile app retention by directing users to connect their calendar service, granting permission to send notifications after scheduled meetings. Tinder's simple swipe interface loads the next potential trigger with each action, while Snapchat's self-destructing photos encourage timely responses, creating a back-and-forth relay that keeps users hooked. Pinterest demonstrates all four stages of the Hook Model. Users often come to the site when bored (internal trigger), then scroll through variable rewards in the form of interesting items, communication with friends, and personal collection building. Each pin, repin, like, or comment is an investment that gives Pinterest data to tailor the experience and permission to send notifications when others contribute-loading the next trigger and completing the cycle.

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『HOOKED 幸せになるための「依存」のつくり方』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第7章

The Ethics of Habit Formation

The power to build habit-forming products raises important ethical questions. Product makers are fundamentally in the persuasion business, creating technologies that users take to bed and check immediately upon waking. Game creator Ian Bogost calls habit-forming technologies the "cigarette of this century," warning of their addictive and potentially destructive effects. To help creators determine the ethics of their products, Eyal offers the Manipulation Matrix, a decision-support tool that asks two key questions: "Would I use the product myself?" and "Will the product help users materially improve their lives?" The matrix divides creators into four types: 1. Facilitators: Use their product and believe it improves lives 2. Peddlers: Don't use their product but believe it improves lives 3. Entertainers: Use their product but don't claim it improves lives 4. Dealers: Neither use nor believe their product improves lives While most users can self-regulate their behavior, companies building habit-forming technologies have a moral obligation to identify and help the small percentage who develop unhealthy attachments. YouVersion's Bible App demonstrates how habit-forming technology can be aligned with meaningful purpose. With over 100 million downloads and a new installation every 1.3 seconds, the app has achieved extraordinary success by meticulously applying consumer psychology principles. Gruenewald approached building the app with a focus on creating daily habits rather than building a tool for seminary students, making scripture accessible anywhere, anytime. The app implements over 400 reading plans that break intimidating biblical text into manageable, bite-sized portions. It employs multiple external triggers: daily notifications, red badge icons, emails suggesting alternative plans when users struggle, and community encouragement. The team discovered that ease of use is critical for retention, so they designed the app to make scripture consumption as frictionless as possible. The Bible App taps into deep emotions by providing personalized scripture that feels like divine communication. After completing readings, users receive satisfying "Day Complete!" screens and calendar check marks, utilizing the endowed progress effect to encourage continued engagement. Each investment users make-highlighting verses, adding comments, creating bookmarks-increases its personal value and makes switching to another Bible app increasingly unlikely.

第8章

Building Habits Through Testing and Innovation

Building habit-forming products requires testing ideas with real users. Habit Testing, inspired by the lean startup's "build, measure, learn" methodology, provides actionable data to inform product design through a three-step process: First, identify who your habitual users are by defining what constitutes a "devoted user." For social apps like Twitter, habitual use might mean multiple daily visits, while for a movie recommendation site like Rotten Tomatoes, once or twice weekly might be appropriate. Analyze your data to identify how many and which types of users meet this threshold. Second, codify their behavior patterns to discover their unique "Habit Path"-the series of actions that loyal users consistently take. Twitter discovered users who followed thirty other members reached a tipping point for continued usage. By identifying these critical behaviors, you can modify your product to guide new users down the same successful path. Third, modify your product to nudge new users toward these same behaviors. This might mean updating registration flows, changing content, removing features, or emphasizing existing ones-like Twitter encouraging immediate following during onboarding. Habit Testing should be implemented continuously with every product iteration. The most promising opportunities for habit-forming products often begin with solving your own problems. As Paul Graham advises, ask "what problem do I wish someone else would solve for me?" rather than chasing sexy-sounding ideas. Your direct experience provides immediate user insight-like Joel Gascoigne who created Buffer after noticing his own need to schedule social media posts. Many world-changing innovations were initially dismissed as toys or niche products-from Eastman's Brownie camera to telephones, airplanes, and the internet itself. Look for early adopters exhibiting nascent behaviors that could expand to mainstream use. Facebook exemplifies this pattern, starting with Harvard students before gradually expanding to other colleges, high schools, companies, and eventually everyone. Technology waves typically follow a three-phase pattern: infrastructure development, enabling technologies/platforms, and finally mass adoption applications. Each successive layer creates opportunities for new behaviors. Identifying where new technologies make cycling through the Hook Model faster or more rewarding reveals fertile ground for habit-forming products. Sometimes no technology change is required-simply changing how users interact with existing technology creates opportunities. When interfaces evolve to make actions easier, usage explodes. Apple and Microsoft succeeded by creating accessible GUIs, Google simplified search, while Facebook and Twitter streamlined social interactions. By "living in the future" and anticipating interface changes like wearable technology, entrepreneurs can uncover new ways to form user habits.

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第9章

The Hooked Legacy: Beyond the Book

Since its publication, "Hooked" has fundamentally transformed the landscape of product design and digital engagement. Its principles have been adopted across the technology spectrum, from emerging startups to established tech giants. Companies like Duolingo have used the Hook Model to create language learning habits through daily streaks and gamification, while TikTok's infinite scroll and personalized content recommendations exemplify the variable reward system. LinkedIn's professional network leverages social investment, and Spotify's Discover Weekly playlist demonstrates how personalization can create powerful engagement loops. The book's framework has become a cornerstone of modern product development, taught in prestigious business schools like Stanford and Harvard, and integrated into design programs worldwide. Product teams at companies like Google, Apple, and Meta regularly reference the Hook Model in their development processes, while UX designers use it as a fundamental tool for creating user-centered experiences that stand the test of time. What distinguishes Eyal's work is its nuanced approach to behavioral design. While providing powerful tools for creating habit-forming products, he emphasizes the moral obligations of product creators through his "Manipulation Matrix," which helps designers evaluate the ethical implications of their work. This ethical framework has become increasingly relevant as discussions about digital wellness and tech addiction have moved to the forefront of public discourse. His follow-up book "Indistractable" extends this balanced perspective by empowering users with strategies to maintain autonomy in an attention economy. The Hook Model serves dual purposes: it's both a practical framework for product development and an analytical tool for understanding digital behavior patterns. By breaking down the four phases - trigger, action, variable reward, and investment - users can better comprehend how apps like Instagram, Twitter, and WhatsApp capture and maintain their attention. This understanding has sparked important conversations about digital wellness and led to the development of features like screen time tracking and app limits across major platforms. The model's influence extends beyond just consumer technology. Educational platforms, healthcare apps, and productivity tools have adapted these principles to create positive habits that enhance learning, health, and work efficiency. Companies like Headspace use the Hook Model to build meditation habits, while fitness apps like Strava leverage social investment and variable rewards to encourage regular exercise. Whether you're a product manager crafting the next revolutionary app, a designer seeking to create meaningful user experiences, or simply someone trying to understand their relationship with technology, "Hooked" provides crucial insights into the mechanics of habit formation in our digital world. Its enduring impact is evident in both the success of products that thoughtfully implement its principles and the growing movement toward more intentional technology use.

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『HOOKED 幸せになるための「依存」のつくり方』の主要テーマ

habit-forming products
behavioral engineering
user engagement loops
product design psychology
consumer behavior triggers

『HOOKED 幸せになるための「依存」のつくり方』の名言

One-third of Americans would rather give up sex than lose their cell phones.
Old habits truly die hard.
Habits begin with triggers-the actuators of behavior that move us to action.
Taking action must be easier than thinking.
Missing a daily Instagram check-in can create genuine discomfort.

『HOOKED 幸せになるための「依存」のつくり方』の登場人物

Nir EyalAuthor and creator of the Hook Model
John GourvilleHarvard professor who studied product adoption

著者について

ニール・イヤール（Nir Eyal）は、ベストセラー『Hooked ハマるしかけ使われ続けるサービスを生み出す心理学』の著者であり、行動デザインと習慣形成における第一人者です。スタンフォード大学でMBAを取得し、同大学の工学部で講師を務めた経歴を持つイヤールは、心理学とテクノロジーを融合させ、FacebookやInstagramのような製品がいかにして習慣的なユーザーエンゲージメントを生み出すのかを解き明かしています。彼の研究は「フック・モデル」に焦点を当てています。これは、トリガー（きっかけ）、アクション（行動）、可変報酬、投資という4つのフェーズからなるフレームワークで、日常的なテクノロジーにどのように習慣が組み込まれているかを説明するものです。

イヤールの洞察は、『ハーバード・ビジネス・レビュー』、『ファスト・カンパニー』、『ジ・アトランティック』などで取り上げられており、自身のブログ「NirAndFar.com」でも継続的に研究内容を発信しています。次作である『超集中力：デジタル時代の「誘惑」に打ち勝つ方法』では、テクノロジーによる気を散らす要因を管理する方法についてさらに深く掘り下げています。

人気の講演者およびコンサルタントとして、イヤールはスタートアップ企業からフォーチュン500企業まで、製品戦略に関するアドバイスを行ってきました。『Hooked』は25万部以上を売り上げ、製品デザインやデジタル・ウェルネスの議論において広く引用される、テクノロジーと行動科学の分野における重要な文献であり続けています。

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"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

avg rating

1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA

117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum

108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful

4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon

201

"It is great for me to learn something from the book without reading it."

@OojasSalunke

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn

483

"Makes me feel smarter every time before going to work"

@Cashflowbubu

BeFreedがウェブ上でどのように話題になっているかをもっと見る

今すぐ学習の旅を始めよう

第2章

HOOKED 幸せになるための「依存」のつくり方

概要『HOOKED 幸せになるための「依存」のつくり方』の概要

1冊の本。さまざまな聴き方。

The Technology That Hijacks Your Brain

The Power of Habit-Forming Products

聴きながら、すべての言葉を目で追えます

The Trigger: Starting the Habit Loop

The Action: Simplifying Behavior

『HOOKED 幸せになるための「依存」のつくり方』をもっと深く楽しむ

The Variable Reward: Creating Craving

The Investment: Increasing Future Value

聴きながら、すべての言葉を目で追えます

The Ethics of Habit Formation

Building Habits Through Testing and Innovation

『HOOKED 幸せになるための「依存」のつくり方』をもっと深く楽しむ

The Hooked Legacy: Beyond the Book

『HOOKED 幸せになるための「依存」のつくり方』を最後まで読み終えました

『HOOKED 幸せになるための「依存」のつくり方』の主要テーマ

『HOOKED 幸せになるための「依存」のつくり方』の名言

『HOOKED 幸せになるための「依存」のつくり方』の登場人物

著者について

HOOKED 幸せになるための「依存」のつくり方の要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is Hooked by Nir Eyal about?

Who should read Hooked by Nir Eyal?

Is Hooked by Nir Eyal worth reading?

What are the four phases of the Hook Model?

この学習プランの一部

Neuro, Psych & SaaS: Creative Niche Mastery

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

The Technology That Hijacks Your Brain

The Power of Habit-Forming Products

聴きながら、すべての言葉を目で追えます

The Trigger: Starting the Habit Loop

The Action: Simplifying Behavior

『HOOKED 幸せになるための「依存」のつくり方』をもっと深く楽しむ

The Variable Reward: Creating Craving

The Investment: Increasing Future Value

聴きながら、すべての言葉を目で追えます

The Ethics of Habit Formation

Building Habits Through Testing and Innovation

『HOOKED 幸せになるための「依存」のつくり方』をもっと深く楽しむ

The Hooked Legacy: Beyond the Book

『HOOKED 幸せになるための「依存」のつくり方』を最後まで読み終えました

他のユーザーのお気に入り

この学習プランの一部

Neuro, Psych & SaaS: Creative Niche Mastery

もっと見る

『HOOKED 幸せになるための「依存」のつくり方』の概要