You may not have heard of peer-to-peer processing, but you've surely heard of the controversial music site, The site made headlines last year through its use of peer-to-peer processing to enable Internet users to download and share music for free.

Though Napster's business practices may have been radical, peer-to-peer processing, or P-to-P, is anything but new. However, the Internet is giving new life to the idea of allowing personal computers to talk directly to one another (as "peers")-and venture capitalists are taking note. P-to-P offers Internet users a new way to communicate and collaborate for business.

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