I'm thinking of selling a collection of Django apps I've written which provide the basic functionality of a Facebook game, but I'm also thinking of releasing it under a GNU Affero GPL.
I read the Affero GPL, and the extra clause specified that modified versions of a covered work have to be distributed under the same license. What I'm wondering is, do derivative works have to be distributed under the GNU Affero License, even if they don't modify the original? The scenario is someone could use my project and add a few features of their own contained in separate Django apps; would those new apps they've written which depend on my software have to be released under an Affero license as well?