
Nir Eyal with Ryan Hoover
A practical guide to designing habit-forming products that engage users through psychological triggers, rewards, and investment.
The average person checks their smartphone over 150 times a day, illustrating the power of habit-forming technology.
Section 1
8 Sections
Imagine waking up one morning, your phone buzzes softly, and almost without thinking, you reach for it. This simple act, repeated thousands of times across the globe, is a testament to the power of habits in our lives.
Our brains are wired to create these shortcuts, storing routine behaviors in a part called the basal ganglia. This allows us to perform complex sequences effortlessly, freeing mental energy for novel challenges. But habits are not just personal conveniences; they are a potent force in business. Companies that harness the power of habit can transform casual users into loyal customers, increasing their lifetime value significantly.
Consider the staggering statistic that smartphone owners check their devices over 150 times a day. This compulsion is not accidental but the result of deliberate design that taps into habitual behavior. Businesses that succeed in building such habits gain pricing flexibility because habitual users become less sensitive to cost changes. They also benefit from supercharged growth, as habitual users are more likely to share and invite others, creating viral loops that accelerate expansion.
Yet, not every product needs to be habit-forming. For example, life insurance is typically a one-time purchase with little daily engagement. But for many digital products, especially those competing for attention in a crowded marketplace, habit formation is critical. It can distinguish a fleeting novelty from an indispensable tool.
In this journey through habit formation, we will explore how products can move users from first encountering an external prompt to becoming internally driven habitual users. We will unravel the psychology behind triggers, actions, rewards, and investments, and how these four phases combine to create lasting habits. Along the way, you’ll hear stories and examples that illuminate these concepts, helping you understand not just the 'how' but also the 'why' of habit-forming product design.
As we close this introduction, reflect on your own habits. Which routines shape your day? Which products have woven themselves so tightly into your life that you hardly notice their presence? Understanding these patterns is the first step toward mastering the art of habit creation. Let us now delve into the first phase of this process: the triggers that spark action.
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