" WordPress is 100% open source, GPL....WordPress did 3 major releases last year, we'll do 3 major releases this year. Along the way thousands of people will contribute, as well as every employee of Automattic. What we build will be greater than the sum of its parts because we've been a community and open source from the beginning, and always will be."

--Wordpress founder and leader developer Matt Mullenweg, diving into the SixApart foray on WP users, with gusto.

Susan sez: Worth reading the whole post to see Matt push back to protect his base.