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Re:Show HN: Anonymous messaging with a 1km radius by zyx321 on Thursday October 27, 2016 @08:56AM (#12804691)
You say public transport, but I have my doubts it'll work particularly well on the subway.
Re:Show HN: Anonymous messaging with a 1km radius by nkrisc on Thursday October 27, 2016 @10:51AM (#12805526)
I think that was the inspiration rather than the goal. That's how I interpreted that comment.