In Seoul, retailer uses 3D QR codes and the sun to deliver discounts only during its quiet times | Springwise Publicada pormoises 25 mayo 2012 Deja un comentario en In Seoul, retailer uses 3D QR codes and the sun to deliver discounts only during its quiet times | Springwise In Seoul, retailer uses 3D QR codes and the sun to deliver discounts only during its quiet times | Springwise
