Mailing the story:
Free software vs. software-as-a-service: Is the GPL too weak for the Web?
Gavin Baker at Freesoftware Magazine examines the implications for free software and the GPL in the face of the social, web 2.0 world sites like Facebook, Google Apps and Flickr. In particular, the reciprocity clause in the GPL can become an unintended loophole as web-based services can incorporate free software code which is not shared or redistributed. You can read the whole article at the FSM website