This guy Dave Morin, is launching a new social network named "Path" - www.path.com
He used to work for Facebook, but he realized that a social network that allows you to connect with as many people you want do not work properly, because your brain can't even process your relations when they are above 130.
So, he created this new social network that promises to create closer relations between the users by keeping a restrict number of friends (about 50) per user. There is also a video available:
In my opinion this guy is just a macfag that realized how to become a millionaire by stilling a stolen idea!