http://www.newscientist.com/blogs/onepercent/2013/03/twitter-arab-spring-tweeter.html Dr. Sarvapali D. Ramchurn Lecturer (Roberts Fellow), Agents, Interaction, and Complexity Group, School of Electronics and Computer Science, University of Southampton, SO17 1BJ t: +44 (0) 2380599309 w: http://users.ecs.soton.ac.uk/sdr