The Digital-TV Battlefield Digital TVs are in the stores, but consumers are rightly wary.
Every industry has a different take on digital TV, spelling a long, messy transition.
Cisco and Northern Telecom can sell high-speed switches to route the digital signals. They may release new titles that take advantage of the screen and exploit it in online games, too. They think digital TV is a gold mine. But technical glitches could foil the launch. Cable is experimenting with fast cable modems and flashy set-top boxes that link TVs to the Internet.