alt Hacker NewsHow do manufacturers print QR codes on packaging that potentially could change daily, like in the case for expiration dates? 1D barcodes don't ever change so they can be easily printed in mass on the packaging.
How do manufacturers print QR codes on packaging that potentially could change daily, like in the case for expiration dates? 1D barcodes don't ever change so they can be easily printed in mass on the packaging.
On-demand printing. It's how expiration dates are currently already being printed on products during production. The only difference is that it goes from "put it literally anywhere" to "put it inside the space intentionally left blank".