Super cool...

i prefer to have a good cms
with social networking a core feature
1.like fb social plugins
2.Fb like user creatable apps
3.html5 mobile site
4.advanced membership levels management
5.user customizable pages
6.multiplayer game api for developers
7.content share/exchange between unity websites
8.social comment/engagement systems
9.redefining forums and groups
10.posterous/hellotxt like service in the core...