The document discusses cloud computing and its advantages over traditional computing models. It notes that cloud computing makes mobile computing more powerful by allowing devices to leverage large, remote computing resources. The cloud is described as empowering, agile, accessible, reusable, and disposable. Examples are given of how cloud services replace outdated models like maintaining private servers and carrying around local copies of files. The cloud allows for cheap, fast, always available services and new digital deal-making infrastructures.