"Cloud Computing is the evolution and convergence of many seemingly independent computing trends," Sam Charrington, VP of product management and marketing at Appistry, told a standing-room only LinuxWorld Expo session today. A laundry list of these trends includes commoditization, Internet delivery, virtualization, grid computing, SOA, data center automation, SaaS, PaaS, IaaS, DaaS, utility computing, distributed computing, Web 2.0, IT outsourcing, and storage. ...