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http://en.wikipedia.org/wiki/Cloud_Computing
http://www.youtube.com/watch?v=QJncFirhjPg
http://info.vmware.com/content/11828_cloud_basics?src=NA-CLOUD-ACQ-WEBCC
http://ccjournal2011.blogspot.com/2011/02/tim-berners-lee-ted-talk-on-next-web.html