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 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 ...
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