Anecdotally, I’m a millennial with an apartment in Manhattan. I never carry cash, and generally avoid cash-only places. In fact with some notable exceptions, I

Anecdotally, I’m a millennial with an apartment in Manhattan. I never carry cash, and generally avoid cash-only places. In fact with some notable exceptions, I rarely see cash-only places. Even food trucks have Square readers. The only times I carry cash are when I go to the barber, since you generally can’t tip with card.