It's official: Facebook is the 21st century Nielsen family — Tech …

FROM: http://gigaom.com/2011/08/15/facebook-nielsen-deal-online-campaign-ratings/

Thanks to a new product from Nielsen and Facebook , the Internet could be on the cusp of become a first-class citizen in the advertising world for good. But there’s just one problem: Do Facebook users want to be part of a …

Google Blog- Social Network- Article:
It's official: Facebook is the 21st century Nielsen family — Tech …