Volume 14, Number 1 - 5 January 2009

Table of Contents

Social networks that matter: Twitter under the microscope
Bernardo Huberman, Daniel M Romero, Fang Wu
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A Grateful Dead analysis: The relationship between concert and listening behavior analysis
Marko A Rodriguez, Vadas Gintautas, Alberto Pepe
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Open source collaboration: Two cases in the U.S. public sector
Michael P. Hamel, Charles M. Schweik
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Examining social media usage: Technology clusters and social network site membership
Andrew Schrock
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Internet security: Who is leaving the ‘virtual door’ open and why?
Daniel M. Downs, Ilir Ademaj, Amie M Schuck
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Toward a pervasive communication environment perspective
Ted M. Coopman
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Always on: Libraries in a world of permanent connectivity
Lorcan Dempsey
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Book Reviews

Review of James Boyle's The public domain: Enclosing the commons of the mind (New Haven: Yale University Press, 2008)
Edward J Valauskas
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Review of Walter Alvarez's The mountains of Saint Francis: Discovering the geologic events that shaped our Earth (New York: Norton, 2009)
Edward J Valauskas
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Review of Sherry Turkle's The inner history of devices (Cambridge, Mass.: MIT Press, 2008)
Edward J Valauskas
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