QR Code | Tutorial Freak – Online Tutorials

QR Codes???

QR Codes???

Everywhere you look these days you see these strange black & white square images that at fist seem meaningless but think of barcodes, they get scanned everyday on the goods we buy, Unlike the older, one-dimensional barcode that was designed to be mechanically scanned by a narrow beam of light, a QR code is detected…

      
      
      
      
      
      
      
      
             
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