More #WP20 perspective:
2003- WP born.
2004- @bbPress
2005- @Automattic
2006- @ModernTribe
2007- Contact Form 7; WPML, @GravityForms
2008- @WebDevStudios does WP; BuddyPress,WooThemes
2009- @WPBeginner,Pippins Plugins
2010- Yoast,Human Made
2011- @10up, @WooCommerce
#WordPress