The company offers gear designed to help cable and phone companies squeeze more video capacity out of a limited amount of bandwidth as consumers watch video clips on their computers, demand more channels from their cable companies, and even start to watch television on their wireless phones.
First introduced in the late 1800s to save the strain on horses hauling carts up the city's steep inclines, the 15, 500-pound cable-powered cars grip a continuously moving underground cable with pliers-like gear to travel the streets of San Francisco.