Ingenious innovation from South Korea where national retailer, eMart found a great way to increase sales during the key lunch hour period, a time when sales traditionally dropped significantly.
Before the QR code cynics stop reading this post and leave this page because they think I’m talking about regular QR codes, check out what they did. Click on the image below to watch the video explaining the concept:
They placed three-dimensional displays outside several locations in Seoul that became shadow-based QR codes only between the hours of 12pm and 1pm.
The QR codes were created only when the sun is at its highest, allowing the shadows to align and consequently the code to be scanned for access to coupons and online ordering, but for 1 hour daily only.
They are pretty smart those South QReans!! Hehe.