What is Geohashing?

Geohashing is something invented by Alan Munroe of xkcd fame.  He published the comic below–although I don’t know when–with an algorithm on locating a place in a certain section of latitude/longitude.  You take some input (in this case, the date and dow jones opening) and mash it together to get a decimal set of coordinates.  If you don’t want to do the work, here is a map online that will do it for you.


Finished/Attempted geohashes

Jan 21, 2013

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