Rich Ling is Professor at the IT University of Copenhagen, Senior Research Scientist at the Telenor Research Institute near Oslo, and Adjunct Professor at the University of Michigan. He is the author of New Tech, New Ties- How Mobile Communication Is Reshaping Social Cohesion (MIT Press, 2008).
I recommend this book to practitioners in the field of mobile communications. -- <b>Eric W. Yocam</b> * <i>Computing Reviews</i> *