It was clear during our Structure conference in San Francisco this week that the public cloud war is nothing if not feisty. Leaders of VMware, Amazon.com and Microsoft all touted their own public clouds and responded to criticism, prompting a plenitude of tweets.

http://gigaom.com/2013/06/21/structure-2013-recap-clouds-and-devops-are-hot-while-the-sdn-jury-is-out/