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have you ever wondered how do QR codes work QR codes are two-dimensional barcodes that store information both horizontally and vertically when you scan a QR code your deviceamp;#39;s camera detects the square patterns in the corners to orient the code correctly the grid of black and white squares represents binary data black for one and white for zero this Arrangement allows QR codes to store a large amount of information even if the code is partially damaged or obscured it can still be read due to built-in error correction this redundancy ensures the information can be accurately retrieved the scanner then decodes the binary data into useful information like URLs text or contact details thatamp;#39;s the magic behind those little black and white squares
