When you sell retail products, it's convenient and efficient to use a barcode scanner. This scanner allows you to automatically transfer information about the product to your computer system so that ...

You can scan a barcode with your iPhone by using a third-party app. Currently, there are no built-in apps that can read barcodes. Your iPhone can automatically scan QR codes using the built-in camera ...

If you plan to run a very small store, sometimes called a "mom and pop" shop, you can probably hand-enter pricing information when ringing up a customer's order. For a larger scale operation, however, ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

The concept of the barcode — an alphabet made up of thick and thin bars — came into being in the 1950s. It took another quarter of a century for one to be printed on product packaging and scanned.