Longhorn introduced the Sidebar, designed to hold gadgets, which later appeared in a different form in Vista.
In the early 2000s, a group of developers created a simulator for Windows Longhorn. The simulator was designed to give users an idea of what the OS would look and feel like. It featured many of the same features that were planned for Longhorn, including the new graphics engine, the revamped user interface, and improved networking capabilities. windows longhorn simulator work
However, the community is responding with: Longhorn introduced the Sidebar, designed to hold gadgets,