Slashdot discussion / security-focus survey article on anti-spam systems, mention of hashcash. I commented on articles mis-conceptions on slashdot, and added pointers to camram and tmda. http://www.hashcash.org/media/ the article: http://securityfocus.com/infocus/1766 slashdot discussion: http://slashdot.org/article.pl?sid=04/03/12/014241&mode=thread Adam