PostGIS is awesome... the geometry functions built into vanilla Postgres provide an interesting set of functionality that almost no one seems to know about. poi

PostGIS is awesome... the geometry functions built into vanilla Postgres provide an interesting set of functionality that almost no one seems to know about. points, boxes, circles, intersection/distance/etc functions. Really cool stuff! http://www.postgresql.org/docs/9.3/static/datatype-geometric.html http://www.postgresql.org/docs/9.3/static/datatype-geometric...