Cloudmark has the best idea I’ve seen yet for eliminating spam. Their SpamNet product is basically a kind of distributed computing application. It plugs into Outlook XP and helps users identify incoming spam using a set of rules — the system communicates back to a central server about which messages have been marked as junk. As more users contribute, the rules get refined, the system gets smarter and a kind of global understanding of what is and isn’t spam develops. Brilliant. Hope it works.