Nobody likes standing in line at the checkout counter. However, chances are those long lines will soon become ancient history as retailers are increasingly turning to digital watermarking to speed up the checkout process. A company called Digimarc has come up with an ingenious method to encode entire surfaces of packages with invisible barcodes containing […]

Talk about innovative use of QR codes! Korean Emart placed 3D QR code sculptures throughout Seoul. These QR ‘sculptures’ could only be scanned between noon and 1 pm each day: the QR codes gave consumers discounts during  those quiet shopping hours. Via springwise.com