→ Who are the mobile users? → Why they choose to to browse from mobile? → What are the differences with the desktop ones? → What are they looking for in a responsive web page or a native mobile app? → How is their relationship with the keyboard? In this book we are going to answer all these questions. Why we talk about mobile design? That's → There are 3.5 billion smartphones in the world; an average adult spends 2 hours a day on their smartphone. → In 2020, mobile advertising on a global scale accounted for two-thirds of all advertising spending on digital. → Globally, the percentage of web access via mobile in the last year was 62%, and it is expected to reach 75% in the next five years. About the Luca started out working as a graphic designer, then moved on to web design, then UX design, and finally in recent years he has been working with several startups as a product manager. Today he's a digital entrepreneur, which means he's making a living off of what were once "side projects" and have now become mature products.