Online Communities 2

Online Communities 2

(alt-text)

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.

See also: https://xkcd.com/802_large/

Full view here, poster here. Note: while I was working on this,
Ethan Bloch posted his own update of my 2007 map. Check it out, too!