QR codes were invented 20 years later in 1994. You can scan the code and be linked to coupons, recalls, and nutrition info. Companies believe they can use it to boost customer engagement.

The difference between Microsoft’s HCCB and other 2D codes is the color. “Using colors means it can store more information than black and white codes,” said Mr. Jancke. “Black and white codes stores ...

Barcode Turns 50: Why Future of Barcode Looks Grim As It Competes With QR Codes | Explained A barcode is a machine-readable representation of numerals and characters. It consists of bars and ...

What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...

From the looks of the screenshot embedded above, there are two types of QR codes: a personal barcode or a "status QR barcode". This also seems to appear on Facebook Fan Pages.

Whether you’re looking to simply be able to scan QR codes you keep on seeing around or to compare prices on barcodes during your shopping, our Top 10 list of QR code and Barcode apps for Android ...

2) QR & Barcode Scanner This is yet another capable barcode scanning app that allows you to get results with your scans quickly. In addition to revealing the details of the code, it can also ...

But as the barcode celebrates its birthday on Monday, its days might be numbered as it faces competition from the younger QR code, the information-filled squares used in smartphones.

QR codes are those little square barcodes that take you directly to a website or app when you scan them with your smartphone camera.