Probably some of you have heard about social services. network Twitter
"Diaspora (DIASPORA*) is a free private web server that implements a distributed system that provides a decentralized alternative to social network along the lines of In Contact. At the moment the project is developed by American students: Dan Grippi, Maxwell Salzberg, Raphael Sofaer and Ilya Zhitomirskiy. The alpha version was released on 23 November 2010."
At this time, there is a possibility to give out a couple invites there. From You email :)