How to put a QR code on a poster that people scan
A practical guide to putting a QR code on a poster — the size that scans, where it goes, what to write beside it, and how to know afterwards whether it worked.
Every Wildpost post tagged QR codes — 1 article on running and measuring printed campaigns.
A practical guide to putting a QR code on a poster — the size that scans, where it goes, what to write beside it, and how to know afterwards whether it worked.