Are QR Codes for Real? —Sherburne

QR codes are creating a lot of buzz, but they are not new. They were actually invented by Denso Wave Inc. in Tokyo in 1994. The history of barcodes goes back even further—in fact, nearly 60 years. We all see them most commonly as the UPC codes scanned at the supermarket. These are linear, or 1D (one-dimensional) barcodes.