Cologne

Checkout-Free Shopping: How REWE Pick & Go Really Works in Cologne I spent a long weekend in Cologne recently. It was a really nice trip, especially because people were relaxed and friendly. Cologne also feels pleasantly manageable compared with Berlin: it rarely took me more than 30 minutes to get anywhere. A nice change of pace. But something else really caught my attention: a REWE supermarket using a Grab & Go concept. The idea is simple: put the products straight into your own bag, scan a QR code from the app as you leave, and the system has already identified which items you took. No checkout, no scanning individual products, and no waiting. ...