When I talk about Open Source, it's not form a "religions" perspective. I'm interested in the applications, the people and the business model.
A PHP friend, Wez Furlong, share a passion for making things that were necessarily designed to work together do exactly that. Wez is a pretty big figure in the PHP world and we did a panel together a few years ago at MIX in which Wez brilliantly described Open Source as "Itch Driven Development".
The point is, it's the community need that drive the success of an Open Source project, no matter what the underlying technology......
Joe Stagner MSFT] on open sourse