I estimate that 85% of the people on there are hackers. In fact, there are a number of users involved in actually coding the social network. Moreover, there is a chatroom there so we may converse in real-time.
Here is the YC community:
http://shuzak.com/Community.php?ID=6472
Isnt that YCN? Kidding! It's a social network for geeks which sounds like us. Addmitedly I've barely used shuzak so I may be mistaken.