User blog comment:Dopp/Communicate Easily with Message Wall/@comment-1724320-20111012061333/@comment-13301-20111012100001

The "ac" from  comes from "Article Comments". Piotr said that instead of improving the way Talk Pages work, they decided to start from scratch but this is completely false, since they're using Article Comments, they're not starting from scratch. And all of us know how inconvenient article comments are for handling discussions about improving articles and work on the wiki.

I gave details about an alternative, that can be done entirely by JavaScript, here, but they are just ignoring other options since they have worked on it also (yes, copying the Article Comments extension and rename it to "message wall" would have cost Wikia many time )