Supermarket loyalty card surprises me there. It isn’t just a physical card? Or a phone number? That’s all I ever use at any of our supermarkets.
I thought supermarket loyalty cards were just a QR code of a simple serial number. Is it different where you are?
I've seen supermarkets that offer targeted "in app only" deals. They're trying to condition people into accepting and being comfortable with discriminatory pricing, where different people pay different prices for the same product depending on who or what they are, or how much money they have.