The Dead Link Disaster: When Two Hundred Campus Posters Stopped Working in a Fortnight
What happens when a free QR service expires the link on a printed poster, and how a static QR code maker keeps every code permanent, offline and untracked.
Make a QR code that opens a new message with the address, subject and body already filled in. Handy on a poster or a business card.
What happens when a free QR service expires the link on a printed poster, and how a static QR code maker keeps every code permanent, offline and untracked.
The default mail application with a new message already addressed, and the subject and body filled in if you provided them. On a phone that is one tap to send rather than copying an address off a poster.
Better to put a link to the form in the body, or generate a URL code instead, because a mailto payload depends on the device having a mail account configured. A link opens on every device.
No, the address is inside the pattern, so a changed address means a new code. For anything printed in quantity, encode a link you control and move the destination instead. The whole operation runs inside your browser tab; the file is never uploaded, so nothing is stored or logged.