I just discovered Newsvine & am using it in two ways: Posting articles to see if I get any more readers, and reading some of the interesting stuff they collect. (You can see my page, with the articles posted, here.) It's free and easy. Makes me worry about the future of news media, though. If newspapers disappear, or morph into electronic diffusion of free info, who's going to pay for serious investigation?
There will be a solution -- we humans have always found a way out of whatever jam we've created for ourselves -- but I don't yet see what it will be. Probably a mix of things: university-based think-tanks, foundations (like the Fund for Investigative Journalism only bigger?), or funds gathered by interested NGOs (which would include all the neo-fascists as well as the people we like). The changes in our world of information are immense. The pretense of objectivity of the select few papers (Le Monde, New York Times, El País, Herald Tribune, Frankfurter Allgemeine Zeitung and a couple of others have always insisted on their independence), while maybe never more than a pretense, will erode to nothing. Maybe that's all right -- in a free-for-all of people shouting at each other, some few thinkers may be able to filter the sensible from the insane. Diderot did it, in the 18th century, so maybe we can too.
See Poynter article, Facing the News Business Model Crisis.