Read more context for John Wiegley’s thoughts on the GPL. Note from Sacha: The WordPress folks seem to have figured out how to earn money with premium themes, plugins, and training, so it’s not incompatible with the GPL… =)
John Wiegley is one of my Emacs heroes. =) Check out John’s Emacs configuration and other tools on Github. John occasionally posts Emacs-related things at newartisans.com. You can find him on Twitter as @jwiegley. Enjoy!