Check out this Boing Boing post to see how a social graph analysis from OrgNet shows that slumlords work together to avoid maintenance on the buildings they buy and sell.
Jan 07
Jul 31
Amazon has been recommending products based on past purchase and browse data for some time. More recently, Facebook has been suggesting users who you may want to add as friends. Now twitter is adding a suggestions for you feature based on the people you follow. A few more details from Techcrunch.
