451 CAOS Theory: Pt. 3: Shuttleworth on HBD, ImpiLinux, Geographical Ubuntu Appeal and Gnome v KDE (Jun 12, 2006)
451 CAOS Theory: Part II: Shuttleworth on Dapper, Linux on the Desktop & Enterprise Adoption (Jun 03, 2006)
451 CAOS Theory: Mark Shuttleworth Interview, Part I: On Dapper, and Ubuntu in the Enterprise (May 30, 2006)
Intl Herald Tribune: IT Managers Cite Security and Competition When Choosing a Linux System (Sep 10, 2002)