“Look at a sky in which there are one or more clouds and you will see something no other person has ever seen, since the dawn of time.”
I do not advocate that you use a free public cloud system for your business data (and I recommend being careful with your private data on those systems). Cloud services are about economies of scale. The central piece of infrastructure in 19th-century manufacturing was power. Every factory had their own mechanical power generator, be it a steam engine or a water mill. Only with the invention of electricity did it become possible to centralize power generation and distribute it to wherever it was needed.
Something similar happens now with cloud computing. Currently there are ...