"LikeAlyzer helps you to measure and analyze the potential and success rate of your Facebook Pages. It allows you to explore all the possibilities of your presence by evaluating your activity and dialogues."
A potentially big change to Facebook's comment format - they are testing a ranking system, similar to Reddit's, that will allow comments with the most likes to appear at the top of a post.
One of several recent changes to how information appears on pages that may be of interest to clients with active Facebook profiles.