Half of all café Wi-Fi QR signs fail on the string, not the printing. Here is the WIFI: URI, five traps, and the A4 four-up that carries it.
DEV · 14.11.2026 · 06:52
A café prints a card with a QR code that joins the guest Wi-Fi. It works on the owner's iPhone. It does not work on the Android at table four, and the staff explain that the customer "needs…