Google quietly launches Latitude Leaderboards, threatens Foursquare under its breath

Google didn't exactly offer much fanfare for this new feature -- as far as we can tell, it still hasn't been officially announced. With the latest update to the Maps app, Mountain View delivered an extra level of functionality to the all but forgotten Latitude. Now check check-ins earn you points which are tallied and used to rank Google+ users on a global leaderboard, just like on Foursquare. Not everyone is seeing the feature just yet, and it only appears to reveal itself after you check-in somewhere. In fact, we still haven't found a way to pull up the leaderboard without first registering our location. You can see the rather sparse help page at the more coverage link and sound off in the comments if you're seeing your name ranked alongside your favorite Engadget editors and Leo Laporte.