QR code is an actively used bar code format created in 1994. QR code (abbreviated from Quick Response code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached. In practice, QR codes often contain data for a locator, identifier, or tracker that points to a website or application. Read more on Wikipedia...
- QR code ranks in the top 25% of languages
- the QR code wikipedia page
- QR code first appeared in 1994
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Last updated January 25th, 2020