THQ updated the website for the game to include stat tracking for both individual players and overall stats. They also updated the website to include a real-time updated map of Steelport that will track what your friends did for achievements and stuff along with uploading photos from the game to the service.
http://www.screwattack.com/news/sain...nteractive-map
THQ also revealed since the release of the game, over 2 million in-game characters have been killed by the Purple Penetrator weapon.
http://www.egmnow.com/articles/news/...row-the-third/