The titular question is ill-posed, but understandable.  [[Explain much more.]]

[DKF] has made many pertinent observations based on his own cloud work:
   * "... it's really about rethinking applications for the internet and not just applications, but also business processes"
   * "... t's difficult to get right but the big drivers are the fact that it's becoming untenable to build machine rooms for everyone; that's just horribly inefficient"
   * "... the location of things matters, but it did before anyway even if people didn't know it"

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