What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

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Two-dimensional barcodes called Quick Response codes, or QR codes for short, are used to store data that devices can read. While QR codes are popularly scanned via smartphones, what if you want to ...

Question, are there any pieces of qrcode (2d barcode) reader software that may be downloaded on to a cellphone in the United States, preferably java-based?<BR><BR>Thanks in advance.

Google is testing QR code-based reCAPTCHA checks on mobile phones. The proposed shift has raised questions about privacy, ...