Kind of related, just recently I wrote a blog post on how to do fuzzy location aware matchmaking using redis and geohash. It exploits similar properties, namely

Kind of related, just recently I wrote a blog post on how to do fuzzy location aware matchmaking using redis and geohash. It exploits similar properties, namely that as you reduce the precision of the geohash, you get more collisions. You can find it here: http://www.generictestdomain.net/Redis/2012/05/07/location-aware-matchmaking-with-redis/ http://www.generictestdomain.net/Redis/2012/05/07/location-a...