Hooked by Nir Eyal is a fascinating book that explores the psychology behind building habit-forming products and services. Eyal introduces the Hook Model, a four-step process that can be used to create products that keep customers coming back for more. This book provides practical insights into how to design products and experiences that engage users and build long-term customer loyalty. Whether you're designing a website, mobile app, or e-commerce platform, Hooked offers valuable strategies and techniques for creating addictive and habit-forming experiences that drive customer engagement and retention.