http://resources.dice.com/2011/11/28/social-media-referrals/

“The industry is moving forward to a future of social media but it’s all about data,” says John Sumser (@johnsumser) of HR Examiner. This was one of the top findings of his recently compiled report, The 2012 Index of Social Media in HR and Recruiting. “There are no vendors selling social interaction, but there’s a ton of products out there about collecting data from people.”