Introduction to QR codes
QR codes are barcode-like graphics, comprised of machine-readable information that, when scanned, can be translated into a website URL. They are used for tracking in augmented reality, for joining a wi-fi network, signing into a platform, opening a web page, and other use cases.
A QR code that when scanned with a smart phone will redirect the individual to a web site.
A study from VocalEyes (based in the UK) found that 39% of their blind or visually impaired respondents knew what a QR code is, but had not used one, 26% of the respondents had used them aided and 34% had used them independently.
Read more about QR Codes and how everyone can use them.