July 2, 2009 — Automattic’s Jane Wells‘ presentation on Open Source community at WordCamp Denver 2009
October 31, 2008 — Stephen O’ Grady discusses the business models being put to use by Open Source developers and companies at WordCamp SF 2008.
October 27, 2008 — Joseph Scott‘s slides from his presentation on WordPress Performance and Scalability at the Utah Open Source Conference, August 2008
October 27, 2008 — Slide-deck from RedMonk on open source business models