Paul, an intern for Facebook's data infrastructure engineering team, recently took a sample of ten million pairs of friends from Facebook's data warehouse and combined that data with each user's current city and summed the number of friends between each pair of cities. After that, he merged the data with the longitude and latitude of each city. The result of his little "experiment" turned out to be an incredibly stunning map of the world. You can see Malaysia too.
Paul writes:
When the data is the social graph of 500 million people, there are a lot of lenses through which you can view it. One that piqued my curiosity was the locality of friendship. I was interested in seeing how geography and political borders affected where people lived relative to their friends. I wanted a visualization that would show which cities had a lot of friendships between them.
Stunning. Now if all 500 million Facebook individuals were used, how would the map look like?
[Facebook]
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