Shared publicly  - 
 
Fun to read these three together:
http://blog.kissmetrics.com/solomo/
http://www.avc.com/a_vc/2012/03/can-you-build-a-network-on-top-of-another-network.html
http://techcrunch.com/2012/03/24/worlds-a-game/

Clearly people want/need to reconnect in a very human way, to cut through all this online crap.
1