PostcardMania expanded its multichannel marketing campaign, Everywhere Small Business, by adding variable QR codes to the ...

To do this, you can use an online QR code scanning service. Here's how: Open any web browser and head to the ScanQR website.

Native QR code scanning has been built into phone cameras since Android 8 and iOS 11 (both from 2017), so you’re not going to have any problem reading a QR code on a modern smartphone — no ...