The word is out ! We've been name-dropped in Mashable's recent article on Gamification, "6 Ways to Gamify Your Facebook Marketing" !
Check out the article for a list of 6 top core patterns and approaches to be aware of for facebook marketing.
Number One on the list, "Know Your Funnel," emphasizes the importance of measuring your user's engagement, from the top of the funnel (eg liking your FB page) to the bottom (eg referring friends).
As Mashable says, "These progress metrics should be shared by everyone on your team, and form an essential part of your dashboard."
Take Fanzy as an example!