Cloud computing, a concept unknown until relatively recently, has been adopted by organizations around the world, both large and small, as part of their computing strategy. Many companies have experienced the cost and flexibility advantages of cloud computing and are using various cloud computing models to solve their business problems. The case is focused on four key players and the strategies they have adopted in cloud computing: (1) Amazon AWS, (2) Microsoft Azure, (3) Google Cloud, and (4) Alibaba Cloud.