There is a new competitor to Google+ and Facebook coming on the market soon called Unthink.com. They have been building a Facebook and now Google+ competitor for since 2007. It looks like they have figured out a way to embrace the anti-Facebook concepts that are out there. It still claims its free, maybe peer to peer. It does appear theres a PR buildup for this week.
Theres a definite PR lead up to todays date with a couple press releases: http://www.prnewschannel.com/
You can sign up for an invite at: http://www.unthink.com
thanks a lot frt he psot! i really liked it!