Eliminating Clicks: The Elegance of Good UID

I’m a regular Sainsbury’s shopper and an occasional Waitrose one. In both supermarkets, I use their handheld scanners to do my shop and then point the scanner at the self-checkout screen to set the check-out process rolling. Sainsbury’s call this system their Smart Shop. I don’t remember the Waitrose name – but I’m sure they […]