2011 study in the journal Evolution and Human Behavior on how different modes of communication impact neural stress and attachment responses.

2009 paper by the University of Illinois at Urbana-Champaign attempted to predict the strength of real-world relationships based on social media interactions.

2011 study by the Dubai School of Government on social networking access and usage during the region's 2011 democracy movements.

2010 paper from the MacArthur Foundation's Youth and Participatory Politics research project on youth media literacy and civic participation.

2010 paper by the Berkman Center at Harvard University on frameworks for evaluating activism in the Internet age, particularly in repressive environments.

2010 report by Harvard's Berkman Center for Internet & Society on global usage of Web-based tools designed to circumvent Internet content filtering.

2011 study by the Wharton School, University of Pennsylvania, in Psychological Science on the underlying factors that drive people to share news

2009 study by Stanford University in the Proceedings of the National Academy of Sciences on mental effects of consumption of several media streams at once.

2011 study by Columbia, University of Wisconsin-Madison and Harvard on effects of Internet search engines on human memory.

2011 study in the Policy & Internet Journal on claims that mass email techniques used to mobilize people reduce activist energy.