Two-dimensional data matrix bar codes have been around for quite some time. The basic data matrix code consists of a series of black and white squares arranged in either a square or rectangular ...

A man scans a QR code in a magazine. wundervisuals/Getty Images When creating a code, you can add data to it, though it increases the code's structure and makes it more complex, and even ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open ...

Micro QR code: A smaller version of a traditional QR code for when space is limited. Micro QR codes can vary in size, but the smallest is 11 × 11 modules, encoding up to 21 alphanumeric characters.

The initiative by the standards organization could bring traditional 1D barcodes into the 2D world of data matrix and QR-codes. After five decades of barcode use at the point of sale, the technology ...