Abstract: A floor display system, including a floor covering, an electronic display device associated with the floor covering, wherein the electronic display device is configurable to display electronically modifiable arbitrary content, a controller, and a sensing device coupled to the controller, wherein the brightness of an image displayed by the electronic display device is capable of being varied based on information received by the controller from the sensing device. The sensing device may include a proximity detector. The electronic display device may include a plurality of separate panels.

Abstract: A fastener includes an upper retaining portion, a body and a pin. The upper retaining portion has an aperture. The body has first and second side portions. The first and second side portions have first and second ends. The first ends of the first and second side portions are coupled to a surface of the upper retaining portion on opposite sides of the aperture and extending in a direction away from the surface of the upper retaining portion. The first and second side portions having a plurality of branch portions coupled to an outer surface of the respective first and second side portions. The pin has a top and an insertion portion. The insertion portion is adapted to be inserted through the aperture of the upper retaining portion, thereby expanding the body in outward directions.