Some technologies come and go. Williams-Kilburn tubes, for example, are now fully and finally obsolete. Ditto mercury delay line memories. Other technologies m

Some technologies come and go. Williams-Kilburn tubes, for example, are now fully and finally obsolete. Ditto mercury delay line memories. Other technologies merely expand and shrink. Big Data went from being a buzzword to a simple, established fact... albeit established in places you don't work. Does Google have Big Data? Does Amazon have Big Data? Do most of us work at either of those companies? Big Data isn't obsolete in the same way dump trucks aren't obsolete.