One example I can give you is the airplane. There are several thousand wires in each plane, ZigBee/UWB can potentially eliminated many wires depends on the bandwidth requirement (use UWB or ZigBee).
Intel is developing a chip for DLP (Digital Light Processing) projection TV in competition with TI, and Motorola is trying to get back into the TV business with a CNT (Carbon Nanotube) version - large screen/very thin/wall hanging.