I've finally taken the step forward and setup comments on my blog. I require a login to post comments to mitigate spam, but rather then create a whole crappy registration system, I have "OpenID enabled" my blog.
Being an OpenID consumer is pretty easy. Especially since there's this facility called "simple registration" such that the OpenID server can provide a lot of common registration fields. The one I use, for example, is "nickname". Rather then lots of form input from the user, I just request the data from the OpenID server and use that instead. Very nice.
All-in-all, building a comment system in to my blog was pretty easy. They're not syndicated, but I'm okay with that. It's just enough to allow some discussion.
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