> It is kind of cyclical then is not?

> By that I mean computers used to be shared and to log into it through a terminal.

> Then the PC came around.

> Then about 15 years ago Cloud computing became the rage (really an extension or more sophisticated system than the first time shared computers)

There's a really neat article called "The Eternal Mainframe"[1] that you might be interested. It explores this idea in greater depth.

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1. http://www.winestockwebdesign.com/Essays/Eternal_Mainframe.h...