You see, there is a real world outside. And there virtual world here. If you ask me there is great similarity in terms of developing your site with the real world outside.
Your site development is based on real partners with real virtual properties. So that if you :
- own more sites,
- have more real partners,
- have more partners who own more sites,
... well, your development will be better. Your backlinks will be better. Your partnership based on virtual properties will be your best idea for your own development.