User blog comment:Ohmyn0/Let's Talk About Talk Pages/@comment-26686429-20110601220203/@comment-26686429-20110601221442

What I mean by this is the implementation of the commenting system you have at Wikia currently. It is messy, and doesn't support these features that make a good Wiki (as opposed to talk pages): These issues massively outweigh any possible benefits of article/blog comments. It'd be a mistake to change talk pages to be more like this system.
 * Users can't edit other people's posts
 * Users can't remove spam/troll posts
 * Posts create a new page, which messes up moves, deletions and Special:Newpages
 * Edit summaries aren't allowed on article/blog comments
 * There are no previews on article/blog comments

That said, here are some suggestions for talk page improvements.
 * A one click way to notify a user that a page they may be interested has changed (similar to talkback)
 * A way for users to watch section headers in a talk page
 * RTE to have an auto-sign feature