« How do different social networking websites stack up when it comes to news? How many people engage with news across multiple social sites? And what are their news consumption habits on traditional platforms? As part of an ongoing examination of social media and news, the Pew Research Center in collaboration with the John S. and James L. Knight Foundation analyzed the characteristics of news consumers and the size of their population across 11 social networking sites. »
Pew Journalism Project : News Use Across Social Media Platforms .