An intern at Facebook has plotted real relationships to create a map of the world. Paul Butler started with the data of 10 million pairs of friends, then began weighting and filtering their locations. He played around with the color scheme and tried arcs instead of points and straight lines. Here are the results compared to NASA’s image of the world:
As expected, the most heavily populated areas of the world, with the exclusion of China, are prevalent while less technologically advanced areas such as Antartica, the Amazon and large portions of Africa are substantailly unrepresented. Russia is surprisingly sparse, as is India for its population density.