Patent Troll sues Facebook, Amazon and others for using Hadoophttp://gigaom.com/2012/07/13/troll-sues-facebook-amazon-and-others-for-using-hadoop/?utm_source=social&utm_medium=twitter&utm_campaign=gigaom by ukdm • 14 years ago 69 31 14 years agoGIgigaom.com