well that’s damn clever
by Vinay Gupta • May 23, 2008 • Science, The Global Picture • 1 Comment
http://en.wikipedia.org/wiki/Geohash
what’s nice is that you can trim off the end of the hash, to get a less and less precise hash, because it basically represents a quadtree in hash from.
Brilliantly simple, and well executed.
Comic strip xkcd presents a nice graphic of Geohashing:
http://xkcd.com/426/
I wonder if this would mix with Hashing (a la the Hash House Harriers)? At least for prepositioning Beer Checks….