The document discusses how businesses can compose their digital enterprises by taking a composable business approach. It describes shifts in the market towards mobile, cloud services, and killer apps transforming industries. It advocates for a composable approach using building blocks to assemble new capabilities quickly. It outlines three steps to make the composable business a reality: 1) making IT cloud-ready, 2) strategically using SaaS applications, and 3) building next-gen engaging applications on platforms like Bluemix. It discusses various IBM offerings that can help like middleware, API management, mobile and integration technologies.