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The top documents tagged [qr codes source]
A Quick Introduction. What are QR Codes? Two dimensional barcodes that can be read using smartphones and QR reading devices. These barcodes link directly
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Constructing Social Media
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QR CODES AUGUST 18, 2011. Scan this! Step 1 Download any QR code reader application Step 2 Scan the QR Code Step 3 Get more information
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