You must study how the QR coding works. Then you can modify the codes. It's probably easier to create your own, print them out the right size on labels, and stick them over the original codes. Perhaps link to this site, or perhaps Rick-roll people. That's always a lot of fun.
You must study how the QR coding works. Then you can modify the codes. It's probably easier to create your own, print them out the right size on labels, and stick them over the original codes. Perhaps link to this site, or perhaps Rick-roll people. That's always a lot of fun.