Like any new term the (mis)usage broadens the meaning over time until it either it's widely known, it's unfashionable, or most likely; it becomes so broad as to

Like any new term the (mis)usage broadens the meaning over time until it either it's widely known, it's unfashionable, or most likely; it becomes so broad as to be meaningless and hence it achieves buzzword apotheosis. My old job title had "edge" in it, and I still don't know what it's supposed to mean, although "not cloud" is a good approximation.