A Pew study comparing social media to traditional media finds stories are quickly perishable in social media circles. The stories that gain traction in social media do so quickly, often within hours of initial reports, and leave quickly as well. Just 5% of the top five stories on Twitter remained among the top stories the following week. This was true of 13% of the top stories on blogs and 9% on YouTube. In the mainstream press, on the other hand, fully 50% of the top five stories one week remained a top story a week later.
While social media players espouse a different agenda than the mainstream media, blogs still heavily rely on the traditional press -- and primarily just a few outlets within that -- for their information. More than 99% of the stories linked to in blogs came from legacy outlets such as newspapers and broadcast networks. And just four -- the BBC, CNN, the New York Times and the Washington Post accounted for fully 80% of all links.
Twitter, by contrast, was less tied to traditional media. Here half (50%) of the links were to legacy outlets; 40% went to web-only news sources such as Mashable and CNET. The remaining 10% went to wire stories or non-news sources on the Web such as a blog known as "Green Briefs," which summarized daily developments during the June protests in Iran.
The most popular news videos on YouTube, meanwhile, stood out for having a broader international mix. A quarter (26%) of the top watched news videos were of non-U.S. events, primarily those with a strong visual appeal. Celebrity and media-focused videos were also given significant prominence.
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