I can't believe they haven't started using three digits and an emoji. | Hacker News

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colimbarna 4 months ago | parent | context | favorite | on: Airlines are running out of 4-digit flight numbers

I can't believe they haven't started using three digits and an emoji.

Scoundreller 4 months ago [–]

No checksum???

dayjaby 4 months ago | [–]

The emoji is the checksum

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