QR code

Rarity: Legendary

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Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Invention

Domain

Society

Knowledge cost

6

In collections

Nobody has pulled it yet.

What Wikipedia says

A QR code, short for quick-response code, is a type of two-dimensional matrix barcode invented in 1994 by Masahiro Hara of the Japanese company Denso Wave for labelling automobile parts.

Excerpt from the Wikipedia article “QR code”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Brdall, Public domain, via Wikimedia Commons.