Recommended QR Readers

QR Readers for Android
Android: Barcode Scanner
Tue, 28 Feb, 2017 at 10:55 PM
QR Readers for iPhone, iPad
iOS: Scanbot 
Tue, 28 Feb, 2017 at 11:05 PM
QR Readers for Windows Mobile
Windows Mobile: QR Code Reader
Tue, 28 Feb, 2017 at 11:06 PM
"Error: Link is invalid" - when I scan the QR code for a new key
Some readers seem to cache older links and don't refresh them when they open internet browsers.  If it happens, and you're sure it is a link to...
Sat, 1 Apr, 2017 at 10:34 PM