http://seattlepi.nwsource.com/virgin..._virgin31.html

"Radio newscasts used to use as a background sound effect a clattering
wire machine. But news wires have been fed to newsrooms by computers for
more than two decades (no clanging bells to alert editors to a
bulletin). People might still hear that sound and associate it with a
newscast without really knowing why -- but for how much longer? "