the use of qr codes, or quick response codes, has proliferated in recent years with the popularity of smart…

the use of qr codes, or quick response codes, has proliferated in recent years with the popularity of smart phones. originally developed for a car company to account for automobile parts during production, qr codes were designed to be decoded quickly. a qr code is a form of barcode; it employs a pattern of small dark modules that appears on a square white background and provides information when the code is read by a scanning device. these codes can contain product information, connect to websites, and track tickets or packages. the storage capacity of qr codes depends on the datatype of the code. the four datatypes, in descending order of capacity, are numeric, alphanumeric, binary, and kanji. qr codes make information

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