“That’s the theory behind academia.edu, a social media-inspired platform that allows research scientists and other academic professionals to critique and collaborate on research. Since its founding in the fall of 2008, the site has attracted almost 2 million members (including a growing community of librarians), 1.7 million papers, and 3.9 million unique visitors per month.”

via Scientists Seek New Credibility Outside of Established Journals – The Digital Shift.