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Watch CNN.com Live Video, Share Your Computer With CNN

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Many people who watched live streaming video of the inauguration of U.S. President Barack Obama on Jan. 20 may not realize that their PC was used to send the video to other PCs, too.

Clicking "yes" to a CNN.com dialog box installed a peer-to-peer (P2P) application that uses your Internet bandwidth rather than CNN's to send live video to other viewers.

The P2P application is called Octoshape Grid Delivery and is managed by Octoshape ApS, a company based in Copenhagen, Denmark.

Read the whole story at WindowsSecrets.com