Those who use their cellphone to talk about news of the day or even to express opinions about issues, are more likely to be civically and politically engaged, a study by a communications expert has revealed. The study was conducted by Scott Campbell, an assistant professor of communication studies at the University of Michigan, US, and the study’s lead author. The co-author was Nojin Kwak, an associate professor in the university's Department of Communication Studies. Among the control variables...