Example: GnomeLamp

A then unknown loon called Bowie posts to gnome-list about his "Color Reactive GUIs"
I propose that the Gnome desktop not only -feature- this design innovation, but figure it prominently in the general layout of each window as per the recommendations listed above, and shown in the appendices.
Two days later, an implementation turns up in gnome-libs
API:
lamp = gnome_lamp_new_with_color(color);
gnome_lamp_set_type(GNOME_LAMP(lamp), GNOME_LAMP_BUSY);
Example lamps: