Ever wondered how a QR code works?

QR-Codes — they are everywhere, they are extremely useful (and I feel bad for the many times I’ve made fun of them in the past). Largely thanks to the pandemic, everyone knows how to use them. But do you actually know how they work? The answer is more interesting than you might think.

From Weekly Filet #410, in September 2022.

💔 Some older links might be broken — that's the state of the web, sadly. If you find one, ping me.

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