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by Father 4910 days ago
Besides the regular Qrcode there's also Mirco Qrcode[1]. Also the Reed–Solomon error correction in qrcodes take up a lot of datablocks. If a new standardisation for mirco qrcodes would allow for a version without error correction you could store even more.

[1]http://www.qrcode.com/en/microqr.html

1 comments

Thank you, father.