Every UX professional should immerse themselves in this book. Not only does it unravel the fascinating and complex history of GUI widgets that will captivate any user interface nerd, but it also stands as the definitive guide to an incredibly diverse array of interaction techniques. This is not just an engaging read; it's an essential toolkit. By delving into these intricate details, you're not merely learning--you're evolving into a more refined and effective designer. --Jakob Nielsen