Couldn't you leave with a friend have your friend get off at the next stop they ... | Hacker News

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		ipaddr 81 days ago \| parent \| context \| favorite \| on: What services or apps did you see abroad and wonde... Couldn't you leave with a friend have your friend get off at the next stop they scan both cards while you travel the entire route?

petralithic 78 days ago [–]

Sure but scenarios like those are a rounding error

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