Digg Clone and Ruby on Rails Projects

Looking to for "Already Created / Done / Completed" non Pligg based digg clone. Also looking for already build Clones on Ruby on Rails only. Mainly interested in social networking kind of stuff build using Ruby on Rails. Show me what you have done with Ruby on Rails ---------------------------------------------------- Please do not bid unless you have a working clone with demo. ---------------------------------------------------- Please, ONLY COMPLETED STUFF!!! PM me the demo link.