Comment on Just launched geo.gy - a location shortenerComments−nl15yYou could/should make the URL be a GeoHash [1]GeoHash's have the extremely attractive property that shorter versions of the same URL correspond to larger areas around the same point - ie, you can trade precision for size.[1] http://en.wikipedia.org/wiki/Geohash#Example−dave1010uk15yGeohash also doesn't require a database to lookup hashes - all you need is the formula. The only disadvantage seems to be the slightly longer URLs.
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You could/should make the URL be a GeoHash [1]
GeoHash's have the extremely attractive property that shorter versions of the same URL correspond to larger areas around the same point - ie, you can trade precision for size.
[1] http://en.wikipedia.org/wiki/Geohash#Example
Geohash also doesn't require a database to lookup hashes - all you need is the formula. The only disadvantage seems to be the slightly longer URLs.