![]() QR codes are most useful on mobile devices such as iPhone and Android because we can easily scan them on the go. QR codes can contain a web address, text, a card or an event. It has the advantage of being able to store more information than a traditional barcode. The QR code (QR for Quick Response) is a type of barcode in two dimensions that can be read and decoded quickly. ![]() You’ve probably encountered with QR codes in magazines, on websites, on business cards, a small black squares arranged in a square with white background.
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