GUI interface is the main interaction gateway between operators and computers. Nowadays, most BS applications use web pages as the GUI interface.Thus we can decorate our programs with more pictures and animations. The traditional CS applications usually use the classic elements such as windows buttons and dialogs. But, all things have exceptions. By embeding a web browser into our desktop programs, we get most benefits of BS applications.
FMF implemented a BS face to users at startup welcome screen. It is besed on a common framework for Desktop Rich Interface, namely DRI.