A QR code (abbreviated from Quick Response Code) has been replacing standard UPC barcodes on products and advertisements because of its ability to provide more information. The code consists of black modules arranged in a square pattern on a white background and its encoded information can be any type of data. According to Dick Eastman in a recent Online Genealogy Newsletter (May 28, 2013), “Genealogists have recently been finding QR Codes on tombstones.”
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