Kulga right now you know who liked it, but not who read it. I can click like without reading (or liking it, but that's another story). I think it is worthless right now, it doesn't have relevancy, but that's my own thought.
Thanks for the demo, I saw it was an extension indeed. I noticed that some of the the "group" (admin, moderator, etc.) icons (the create a label on avatars, seem to be chopped off at the bottom:

Not sure if @Toby knows that.
Note: They look fine (albeit a tad too close) under Chrome, so I am guessing @Toby uses Chrome mainly.
More note: Parsing is still broken if we type **Note:**.