Platforms or economic / ecological niches.
ChristopherAlexander defines his patterns as being both patterns of space and patterns of activity. Platforms are both patterns of information and patterns of activity.
Things which are platforms
Economies and currencies
** C++ dominance : http://ejohnson.blogs.com/software/2004/11/i_find_c_intere.html
- JohnRobb says the BazaarOfViolence is one, so taming a bazaar and NationState/NationBuilding is a kind of PlatformWar
A marketing perspective : http://software.ericsink.com/Positioning.html