Kent Brewster (@kentbrew@xoxo.zone) on Twitter: "Empty QR codes. All version 4, error correction level M. No mask, then masks 1 through 8. http://t.co/MQEXtMSonQ" / Twitter
Dan Hollick 🇿🇦 on Twitter: "For the absolute nerds who made it here, a fun fact: Perhaps the coolest thing about QR codes is that Denso Wave, the company that invented them,
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