Media Companies Cash In, at Cost of Unpaid Contributors - NYTimes.com

Media Companies Cash In, at Cost of Unpaid Contributors - NYTimes.com: "There have been reports in The New York Times and elsewhere that Facebook is now valued at $50 billion, and The Wall Street Journal reported that Twitter had been in low-level talks with both Google and Facebook, with some estimates putting the value of the company at $10 billion. Tumblr, the short-form blogging service, is storming along a similar, if more demure path, while Quora, a site built on user-generated questions and answers, seems to be on its way. And at the beginning of last week, The Huffington Post agreed to be sold for $315 million to AOL."