How to A/B test posters in the street
A field guide to A/B test posters properly: two designs, unique QR codes per copy, fair placement, and reading scans per print instead of raw totals.
Grow a website with QR codes you can track
How to grow a website with QR codes on stickers, posters and packaging: unique codes per copy, scans per location, and a repoint trick that saves reprints.
How to promote your app without paid ads
A street-level playbook to promote your app without paid ads: posters, stickers and flyers with trackable QR codes, so every wall reports what it earned.
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.