Let me come clean: For way too long now, I’ve been excited about the 2D optical code format called QR Code. I even convinced TidBITS to put one on every article page for a while. I don’t get a ...

QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account ...

Position markers, also known as finder patterns, are the large squares located at three corners of the QR Code. These markers help scanners detect the QR Code and determine its orientation. They are ...

QR Codes are a two-dimensional type of matrix barcode that are used for a variety of uses. They’re one way of turning a long piece of string data into an easily machine-readable format. For this ...

Since most people are carrying a camera-equipped computer in their pockets these days, QR codes can be a great way to easily share short snippets of information. You can put one on your business card ...

In the last year or so, the animated format known as GIF has finally made its way from the default Tumblr reaction format to an art form. (Netizens have known there was an art to the GIF for years, ...