oops, -- I just realized that the URL given below works only for one
http://www.linkedin.com/news?viewArticle=&articleID=48296396&gid=87910&articleURL=http://blog.coverity.com/posts/voices-of-scan-community/ibm-researcher-and-postfix-maintainer-wietse-venema-on-open-vs-closed-source-code-security&urlhash=4Euq&trk=news_discussTitle:IBM Researcher and Postfix Maintainer, Wietse Venema on “Open” vs. “Closed” Source Code Security