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The New York Times’ word-association game Connections served up puzzle number 813 on Saturday, prompting players worldwide to hunt for four linked groups among 16 words. For those seeking a leg-up, ...
Much has been said about 2D barcodes, and the discussion has focused on the format of the 2D barcode itself -- QR Code, Data Matrix, and so on. But equally important is the format of what the barcode ...