Why do we spend so much time on our phones? What makes online messaging, social media, the next episode or level so hard to resist? In recent years, media and technology have perfected the lucrative art of gaining and holding our attention. This extraordinary feat has changed the behaviour of billions of people. In fact, by normal medical standards many of us are in the grip of addictions. Blending fascinating stories with ingenious science, this book goes on a journey to the heart of human nature to understand how and why we all got hooked. Overturning assumptions about the cause and nature of addiction, this book equips us with the tools and understanding we need to navigate our irresistible new world.