There was an excellent presentation about real life social networks by Paul Adams from Google making similar observations: http://www.slideshare.net/padday/the

There was an excellent presentation about real life social networks by Paul Adams from Google making similar observations: http://www.slideshare.net/padday/the-real-life-social-network-v2 http://www.slideshare.net/padday/the-real-life-social-networ...