Brickshelf mentioned on XKCD

Best trivia I learned while working on this: 'Man, Farmville is so huge! Do you realize it's the second-biggest browser-based social-networking-centered farming game in the WORLD?' Then you wait for the listener to do a double-take.

Brickshelf made the XKCD 2010 Online Community map… look south-west of YouTube Island, near Tumblr… You’ll need to really zoom in. 🙂