This image was so intriguing to me, that I had to stop, write this post, and make the image my desktop background. We have all heard the Facebook statistics - 500 millions users worldwide and growing. Large numbers are sometimes hard to comprehend. This image of 10 million pairs of friends from facebook tells the story of facebook's power to connect the world in a single image. Paul Butler graphed the friend pairs by locality and this is what he saw. You can read more about his methods here.