mci Corp.,

mci Corp.,

Washington, DC, is taking further advantage of its fiber-rich Internet backbone to provide additional services. The company has joined with Progressive Networks, Seattle, WA, to launch "RealNetwork," which will deliver audio and video to broadcast-size audiences over the Internet. Content providers for the new service include abc News, Atlantic Records, espn, Home & Garden Television, jamtv, and the Seattle Mariners baseball team.