  Creating rankings might seem like a vain exercise in belly-button gazing,
even more so for people so unlike that kind of things as programmers. However,
in this paper we will try to prove how creating city (or province) based
rankings in Spain has led to all kind of interesting effects, including
increased productivity and community building. We describe the methodology we
have used to search for programmers residing in a particular province focusing
on those where most population is concentrated and apply different measures to
show how these communities differ in structure, number and productivity.
