According to our tech-savvy friends over at Mashable, Facebook may be looking to update its system with a feature that will allow users to rate a comment positively or negatively, just like on Digg. Comments will also be threaded which, while not a huge technological advancement, would prove useful for sorting out conversations and avoiding inadvertent interactions with people who you don’t know. Like your friends’ relatives. Click through to get a better look at the as-yet-unconfirmed screenshot.
