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Interesting bit of info, thanks for sharing. Sadly for them, I think the genie is out of the bottle on this one; while I've seen a few people use alternate names, most call them QR codes.

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In the Chinese world, it's still called the equivalent of 2D code in Chinese(二維碼/二维码). The original variant QR Code(QR碼/QR码) are used but to the best of my knowledge they are quite mixed together in terms of usage.

I think the mainland Chinese are more inclined to 2D code by the interactions with them in the past.

3D codes will be rad

Could be something like "2d barcode" that got shortened to "2d code" cause there was not really any bars.

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