A protocol that can change the future of Social Networks
http://www.b-mc2.com/2012/12/29/the-future-of-social-networks/I designed a simple protocol, which can help develop a world of interest-centric activity based social networks.
2013, might well be the end of the "Social Utility" model.
Disclosure: This is a rewrite of a post that generated some interest last week-end, but addressed some of the concerns people had about it.