| http://www.w3.org/ns/prov#value | - by OmniGeek (72743) writes: in his Lazarus Long series, IIRC. It was called Delay Mail, and was intended for use by time-travellers; there was an office where one could leave messages to be delivered to a specified person (possibly one's younger self) on a specified date, possibly centuries in the future.I am afraid this constitutes prior art (insert clever time-travel remark here)...
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