Wedge barcode scanners and serial barcode scanners both connect to a PC to scan barcodes into the system. They do not, however, work the same way and each has advantages and disadvantages.

By scanning a package barcode on their phone, consumers can see the product ranked on a zero-to-10 scale between ‘unhealthy’ and ‘healthy‘. GoCoCo, the start-up behind the algorithm, aims to ...