Finding a great bargain on your weekly groceries used to involve scissors and a Sunday newspaper. Modern supermarkets are rapidly replacing printed flyers with digital screens that demand your personal data. Walking down the aisles now requires scanning tiny black-and-white barcodes with your mobile device. This technological hurdle frustrates shoppers who want to buy affordable food without having to download an application. Let us review the QR code problem and why grocery deals now require a smartphone.
