Feature In IT, terms and categories come and go. Distinctions disappear as computing evolves and as something that was shiny and new simply becomes the way that we do things.

Because of the huge expense of computers in the 1960s and 1970s, mainframes and minicomputers were time-shared machines, and capacity was often rented out under a utility model. Such were the roots of cloud computing as we have come to know it. In that sense, cloud is a trip back to the future...

For example, no one talks about minicomputers anymore, even though for the better part of a decade, most of the companies in the world had minicomputers for their "data processing" and not the big, expensive behemoths known as mainframes. So, to a certain extent, most of the x86 machines sold in the past three decades quali

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