Sharman witness: Tech can control illegal swapping

Sharman Networks has called former Napster expert witness Justin Tygar to give his testimony during the ongoing trial against the parent company of Kazaa for alleged copyright infringement.

Tygar, a University of Berkeley professor of computer science and information management, told Judge Murray Wilcox that technology is the answer to keeping users from infringing on copyrights.

"There's extremely rapid progress being made in this area," he said. "For example, Windows now offers WMA format files that have something called Digital Rights Management. The digital rights management system makes it very difficult for users to exchange those files.

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Story  Kristyn Maslog-Levis