An automatic sensing power system automatically determines a power requirement for an electrical device, converts power to the required level, and outputs the power to the electrical device when the electrical device is connected to the automatic sensing power system. The first collaboration framework may also send messages including the intercepted input events to other collaboration frameworks executing on other respective computer systems. A provisional weight is determined for a partial path to reduce template matching. The elastic support mechanism includes a rod-shaped elastic bridge member extending horizontally over the seat back frame on the back of the second plate portion. Thereby, a buffer pad is produced.