Starting off with links, take a look at Disqus , an add-on for various weblog systems, inlcuding Movable Type (which powers the UThinks Blogs).
Disqus gives you threaded discussions in place of the list of comments, but with the twist of allowing users to keep track of comments made on other blogs also using Disqus.
It's use isn't really widespread yet, but it's growing. Privacy may be an issue that would stop us from even considering it.
Leave a comment