No one likes queuing but I don't like being surveilled as deeply as this set up implies, I also have concerns around the assumption you have a smartphone. I per

No one likes queuing but I don't like being surveilled as deeply as this set up implies, I also have concerns around the assumption you have a smartphone. I personally pay in cash on purpose at supermarkets. These supermarkets exclude anyone who doesn't have a smartphone or doesn't want to download yet another app. Questions I have is what happens if you get in then turn your phone off, or take something and put something that weighs the same on the shelf?