You can scan QR codes and documents on your iPad using the Camera and Notes apps. ... To make edits, tap the markup icon (circle with pen tip) and select your tool. 6.

A QR code also needs a small white border of a few pixels in order to be effective. Give instructions on how to use the QR code – Because it is a relatively new technology some people may not be ...

QR codes and similar 2-D tag technology have been slower to catch on in ... Some experts recommend including a small icon or text instruction in your ad campaign to let people know how to use with ...