Opensource is also big business ?

Sure it is …

Firefox fortune hunters | CNET “Just because Firefox is free and open source doesn’t mean developers aren’t cashing in on the popularity of the Mozilla Foundation’s new browser.
On the contrary, new businesses are cropping up to provide organizations ranging from museums to software companies to the U.S. Department of Defense with Mozilla-based applications–for a fee.”
[Via Peter O’Kelly’s Reality Check]