Like any other big change affecting business and IT, if cloud, in its many forms, gains traction, then adopters will require a lot of rationales, incentives and measurable returns to keep progressing successfully. But just as the definition of cloud computing itself can elicit myriad responses, the same is true for why an organization should encourage cloud computing. The major paybacks are not clearly agreed upon, for sure. Are the paybacks purely in economic terms? Is cloud a route to IT efficiency primarily? Are the business agility benefits paramount?

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