Feel free to post comments to this article, it’s here for this purpose!
Once you’re on the detail page of the article, here are the few steps to add a comment:

1. Enter your comment in the normal comment area on the blog page
2. a) Using the Firefox extension? Nothing to do
   b) Using the bookmarklet? Click the coComment bookmarklet in your browser bar BEFORE submitting your comment
3. Submit the comment on the blog as usual

If you prefer, you can only Track the conversation.
You’re just curious to see how the discussion will evolve but nothing to say for the moment.

That was easy, right? See the result, go to your personal page

Note: It can happen that your message is caught by Akismet, the anti-spam engine, as a spam so please add a longer comment than “test”