I’ll cut right to the chase… I have a love hate relationship with the GPL model. I’ve adopted it because my primary CMS of choice is WordPress which is licensed under the GPLv2. It’s easy to argue that open nature of the GPL has been largely responsible for the success of WordPress, particularly in it’s

More at: http://weblogtoolscollection.com/archives/2010/02/10/the-good-the-bad-and-the-ugly-of-the-gpl-model/