Mark Shuttleworth: "In the case of Launchpad, we do view you as a co-owner of the data, so the resolution of this problem is important to us. [...] Affero GPL is a strong candidate for the front line of thinking on the subject, and that's what I am inclined to use when we publish Launchpad's source code. [...] I do agree that Affero is a better option than the straightforward GPL. [...] if you can read it through the web, or modify it through the web, you should be able to do so programatically..."