QR code is a bar code format created in 1994 by Denso Wave.
| #1602on PLDB | 30Years Old |
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...