The Minimal Change industry. That might be the name you can give the new kind of service or product you offer customers and clients who long for things to be as they once were.
Actually, as Calvin Trillin describes in The New Yorker, this approach to business isn't new, at least not in much of New Orleans. Unlike what you might be hearing at Google or Apple, when New Orleans folks refer to the 'c' word, that is change, it's usually in reference to how they are effectively avoiding it. Trillin noticed a sign on a bar in that city which read, 'New Parasol's owners promise minimal changes for the legendary bar and restaurant.'