A study of the Twitter activity of 12 major news agencies shows varying levels of success for the social network as a news-sharing tool, based on factors like article lifespan and number of retweets.
...The answer, according to Ram’s research, varies widely by news agency, and there may not be one universally applicable strategy for maximizing Twitter effectiveness. However, news agencies can learn a lot by looking at how their news diffuses once it is posted on Twitter, said Ram, McClelland Professor ofManagement Information Systems in the UA’s Eller College of Management....
This is a really interesting research study for media, as well as PR and marketing....