Likes and Thumbs

I've only recently entered the 21st Century, and begun hitting the "like" button on posts - we didn't have like buttons in the dark ages when I first got on the web, we just had smoke signals.

I'm not sure what hitting Like does for a post. Is there some WordPress blogs center where an often-liked post gets moved up the "most popular" list or something?

But what I'm really taking up a comment slot to ask is, what about those thumbs-up and thumbs-down buttons on comments? Because, I see that "Jefferson Davis school in Mississippi to be renamed after Barack Obama" got a thumbs-down from somebody. Is that a thumbs-down on the topic, or is it a thumbs-down on Pete for reporting it?

This is why I don't thumb anything.

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