Someone asked a very similar question on the apple stack exchange[1]. Apple also... | Hacker News

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		xav0989 on Sept 4, 2020 \| parent \| context \| favorite \| on: Snake in a QR Code Someone asked a very similar question on the apple stack exchange[1]. Apple also filed (at least) two patents on the technology[2][3]. [1]: https://apple.stackexchange.com/questions/301563/what-is-the... [2]: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=H... [3]: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=H...

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