Another example site is: http://rapichat.com
And a FREE Open Source Dating Site:
http://connectingromance.com/osdate
Runs the OsDate software which is free also!
Free Social Bookmark platform example:
http://pligg.rapichat.com
And free Scuttle script example...
I am running a Micro Blogger Social Network Status.net Open Source and is based and uses the same API as Twitter.com. It is a Free Open Source Platform so check it out in action:
http://blabber.exofire.net
To get your own Micro Blogger and connect both Twitter and Facebook at the same...