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Book cover of Hooked by Nir Eyal — critical summary review on 12min

Hooked

Nir Eyal

11 mins

Described as “the book everyone in Silicon Valley is talking about” by serial entrepreneur Boris Veldhuijzen van Zanten, “Hooked” reveals the science of creating habit-forming products. The book is essentially structured around the four steps of the Hook Model – trigger, action, variable reward, and investment – which, its author Nir Eyal claims, are embedded into every successful product today so as to subtly encourage customer behavior.

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Brief Summary

Best suited for entrepreneurs, investors, designers, creators and marketers, as well as anyone who wants to learn how to create a habit-forming product.

Topics

PsychologyMarketing & Sales

Summary of 5 Key Ideas

O ciclo de gatilho, ação, recompensa e investimento

Mapeie as emoções negativas que levam usuários ao seu produto. Se sua solução não resolve um problema emocional real, ela não se tornará um hábito.

O poder das recompensas variáveis

Substitua notificações genéricas por mensagens personalizadas e inesperadas. A surpresa ativa o sistema de dopamina e melhora a retenção.

Investimento do usuário aumenta a retenção

Faça com que os usuários contribuam para sua própria experiência. Quanto mais eles "constroem" dentro do seu produto, mais ele se torna parte da rotina deles.

Understanding Triggers: The First Step to Habit Formation

In 'Hooked', Nir Eyal emphasizes the crucial role of triggers in the habit-forming process. Triggers are cues that prompt users to take action and are divided into two types: external and internal. External triggers are embedded in our environment, such as notifications or advertisements, prompting users to engage with a product. Internal triggers, on the other hand, are more subtle and revolve around emotions or feelings, like boredom or loneliness, which drive users to seek solutions through specific products. By effectively leveraging these triggers, product designers can create a seamless user experience that naturally leads to habitual engagement.

The Power of Variable Rewards

One of the most compelling insights from 'Hooked' is the concept of variable rewards, which are integral to maintaining user interest and engagement. Eyal explains that variable rewards tap into the brain's craving for unpredictability and novelty, making experiences more exciting and rewarding. Unlike fixed rewards, which can become monotonous over time, variable rewards keep users intrigued, as they never know what to expect next. This element of surprise is what keeps users returning to products, whether it's the thrill of a new social media notification or the chance to discover something unique in an app. By mastering the art of variable rewards, companies can foster a loyal user base.

The Role of User Investment

Investment, the final step in the Hook Model, is a crucial component for ensuring long-term user engagement. According to Eyal, investment refers to the effort users put into a product, whether through time, data, social capital, or money. This investment creates a sense of ownership and attachment, making users more likely to return to the product. By encouraging users to invest in their platform, companies can enhance the product’s value over time, as invested users are more likely to continue using the product and less likely to switch to competitors. Understanding the psychological impact of investment can help businesses design more engaging and sustainable products.

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Key ideas in

  • Understand the Hook Model: Learn the four steps—trigger, action, variable reward, and investment—to design products that motivate repeated user engagement.
  • Identify and Implement Triggers: Discover how to effectively use external and internal triggers to initiate user actions and build habits around your product.
  • Leverage Variable Rewards: Explore the power of variable rewards to create a sense of anticipation and maintain user interest in your product.

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