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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.

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Cover Article
July 1999 Cover
July 1999
Multicasting Matters

by Carl Malamud.

       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" ...

Read »Multicasting Matters


Also In This Issue
07/01/99 Map of the Month #002, "Tim Bray's Hyperlink Totems"
by Martin Dodge.
Measuring the Internet with visibility and luminosity.
Go
07/01/99 Visions #003, "I See Toasters"
by Vinton G. Cerf.
A vision of Internet-enabled devices.
Go
07/15/99 Locus #004, "Projection"
by Stephanie Faul.
Maps as projections of another space.
Go
07/01/99 Locus #003, "Portolan"
by Stephanie Faul.
Navigating with "little ports."
Go
07/26/99 Web Informant #161 "Let the Internet Messaging Battles Begin"
by David Strom.
Microsoft vs. AOL in a messaging battle.
Go
07/15/99 Web Informant #160 "I've Been Hacked"
by David Strom.
A few lessons about email security (and privacy).
Go





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