Makers of Music-Sharing Software Find a New Use for the Technology: Free Phone Calls Over the Internet

The creators of KaZaA, a wildly popular software program for sharing music online, have started a new software business -- one that lets users make free phone calls over the Internet.

The software, known as Skype, is so new that officials at several colleges where KaZaA has been popular said they were unaware of it and of whether it is already being used on their campuses. Some analysts predict that Skype, or software like it, could become the next big thing on campuses. But it is

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