3 ms·
Phones have screens which can display a QR code as well as camera which can read them. Overwhelmingly most uses of QR codes I see today use the screen. Boardin
by thinkingemote 7y ago
Phones have screens which can display a QR code as well as camera which can read them.
Overwhelmingly most uses of QR codes I see today use the screen. Boarding passes etc
Getting a user to read a QR code is more painful