Over at Flowing Data, I found several maps by visual arts graduate student Ian Wojtowicz, who mashed  NASA’s map showing Earth at night with  digital friendships around the world by connecting locations with arcs. The dark areas indicate cities with Facebook users, the yellow dots are cities where Facebook is not used.


This is Asia:

And America:


This is not just a mere facebook-bashing, I just like beautiful data visualizations. There is a larger version here.