Panasonic showed off a system that can pipe terrestrial digital broadcasts into trains, coupled with a wireless system to allow commuters to hear a broadcast's audio via headsets without disturbing other passengers (hey, some of us like to work, read -- or sleep -- on the train).
All over the world, telecoms and cable companies are fighting to provide people's houses with a broadband pipe that can pump in a high-speed Internet feed and the whole digital future.