Academia.edu helps academics follow the latest research.
description by informED:
"For academics whose main goal is to share research papers, Academia.edu draws a crowd of over five million visitors. Academics can monitor the effect of their research and keep tabs on the research of the other academics that they follow. It’s a great tool for anyone needing data and information on various subjects and interests."
Cited From: http://www.opencolleges.edu.au/informed/features/social-media-tools-for-education/#ixzz2lGaHyh7d