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QR Codes – Conversations with a Taxi Driver

Sometimes inspiration comes from unexpected sources, and this time that source was a taxi driver. I'd been thinking about writing a blog post about QR Codes (those little black and white square barcodes that seem to be popping up everywhere recently) and after chatting for 10 minutes with a taxi driver last night on my way home I got an "outside view" of how QR codes are...
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