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<title>About 2D barcodes</title>
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<p><strong>Barcode Scanner</strong> also understands how to read two dimensional barcodes, like QR Codes and Data Matrix codes. For example, the codes below contain a hyperlink to the ZXing Project home page:</p>
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  <img src="../images/big-qr.png"/>
  <img src="../images/big-datamatrix.png"/>
  <img src="../images/big-pdf417.p