QR code apps will often have ads, or generate QR codes that eventually expire, which Qewie won’t do. He wasn’t happy with QR code apps on the App Store, so he decided to make one himself, and ...

The channel logo appears at the center of the QR code with a YouTube logo underneath it. (Chrome also has a QR code share option that features a dinosaur at the center.) ...

You scan a QR code in the U.S., and it brings you to an English website. You scan that same QR code in Germany, and it brings you to a German website. Dynamic QR codes also allow for easy A/B testing.

A QR code alone doesn’t communicate anything; it’s just a pattern of black and white squares. Even if it has a logo or a colorful design, it still requires context. That’s why a strong call ...