We sketch a brief history of the development virtual geographic environments which build on online gaming, three-dimensional representations cities, and notion that computer technologies are now so all pervasive many different models same phenomenon, in this case, geospatial systems, can be built. This enables new forms analysis let us explore future spatial scenarios address key urban problems...

A spatial social network (SSN) can be defined as a set of agent-based connections that are embedded in geographic space. SSNs range size from small networks within group peop...