A Facebook researcher created a visualization of Facebook connections around the world . Using a sample of 10 Facebook friend pairs , he compared them with their current cities . Some of the outer edges of the blob vaguely resembled the continents , but it was clear that I had too much data to get interesting results just by drawing lines . The US has the highest concentration of Facebook friendships while Africa has the lowest .
A Facebook researcher created a visualization of Facebook connections around the world . Using a sample of 10 Facebook friend pairs , he compared them with their current cities . The US has the highest concentration of Facebook friendships while Africa has the lowest .