Twitter and the news: How people use the social network to learn about the world/ study

American Press Institute :: While Twitter users follow news in general on the service, and sometimes do so just as a way of passing time, they act differently when they are following breaking news, becoming even more participatory—commenting, posting and sharing at moments when events are moving fastest.

Read Tom Rosenstiel, Jeff Sonderman, Kevin Loker, Maria Ivancin, Nina Kjarval, www.americanpressinstitute.org