Naturejobs Career Magazine presents: Collaboration: Social networking seeks critical mass: There are myriad social and professional networking options for scientists. But, so far, none has proved infectious enough to go viral.
K. Luther, S. Counts, K. Stecher, A. Hoff, and P. Johns. CHI '09: Proceedings of the 27th international conference on Human factors in computing systems, page 239--248. New York, NY, USA, ACM, (2009)