But pills already don’t have unique colours. | Hacker News

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		chrisseaton on June 28, 2022 \| parent \| context \| favorite \| on: Detecting unauthorized physical access with beans,... But pills already don’t have unique colours.

krab on June 28, 2022 [–]

There are other attributes as well - the combination of colour, size, shape and surface features might be unique in many people's mixes.

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