Technology is opening up invisible worlds of information and communication, and Mappa Mundi Magazine explores how Invisible Worlds, Inc. and others are mapping these worlds and creating new metaphors locating mankind's place in the information age.
Carl Malamud explains why multicasting is no longer just for cheap TV tricks: "In 1993 I hooked up the National Press Club in Washington, D.C. to the experimental multicasting backbone overlaid on the Internet (known as the MBONE) and sent out the audio from Larry King Live to the Internet. A reporter from the Associated Press asked to be present at this historic occasion. In the middle of the speech, as we peered anxiously over our computers to monitor the transmission he got to the money question" ...
