Microsoft mockup of a possible 3D successor interface for its OS. The desktop is replaced with “an entire office with an unlimited number of desktops. The screen becomes a long gallery with paintings on the walls that represent different tasks, and the user moves quickly and easily from one to another with a simple series of mouse and keyboard commands. We tried to make the illusion appeal to the lessons in navigating physical space that we learned as children, so that people would “get” the system intuitively without having to learn or adjust to it.”