First you need to decide what format of code you want to use – 2D Data Matrix and QR Codes are the most common and can be read by the most readers. They can be created by many websites for free use.

Bar codes are making a comeback. Well sort of. They're not your traditional bar code. I had an opportunity to speak with execs at a Long Beach, Calif.-based advertising agency attempting to cozy-up to ...

A 2D barcode appears as a small, square matrix (like the QR code, for example) instead of vertical lines, and requires an optical scanner or camera (like the one in your smartphone) to access ...

The 2D versions of barcodes look like squares or rectangles containing many small, individual dots – QR codes are one version – and can hold a lot more information, which is encoded on both ...

Advanced variable data 2D codes, including Data Matrix and QR codes, offer greater data capacity and accuracy compared with traditional 1D (linear) barcodes. The past few decades have witnessed ...