For those of us who weren't paying attention, over the last few years, scientists around the world have been one-upping each other in a bid to create the smallest QR code that can be reliably read.
Redeem codes for coins and eggs. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.
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