This document discusses cloud computing and the major cloud providers. It begins by asking what cloud computing is, and answers that it allows users to spin up server and storage capacity online. It then asks if cloud computing will disrupt the world, answering yes. It notes a Forbes article claiming cloud will generate 14 million jobs by 2015. The top cloud providers are identified as Amazon Web Services, Google Compute Engine, Rackspace, Windows Azure, IBM SmartCloud, and VMWare vCloud. Their key features and strengths/weaknesses are briefly summarized. The document concludes by introducing CloudAcademy.com as a place for learning everything about the cloud, testing skills, finding experts, and staying up to date.