So both Junior and Sis have their own. Don't forget Grandma with her tube too. Often television is viewed by individuals in proximity to each other not in engagement with each other. TV isn't a throwback to a nineteenth century parlor game with everyone gathering around to interact. If that is what the new WebTV owners have in mind, some sort of spin the statistics, then they better sell now before it goes bankrupt.
Television is also ambient, some kind of video wallpaper.
The set is on but not watched, only glimpsed. From this perspective television is about environments not interactions. Marshall McLuhan, the greatest culture, technology, and communications theorist of the Twentieth Century, points out that new media rarely eliminate older media. Rather they reposition them for new purposes. Here's an obvious example.