Some of the stories people are talking about this morning…
- Digital ecosystems: An in-depth comparison (The Verge)
- How Tumblr plans to attract brands and their money (GigaOM)
- All 50 states may join e-book refund settlement (paidContent)
- What’s next for LivingSocial (Fortune)
- Did Sina just introduce — and then kill — an anonymous news-reporting platform? (paidContent)
- The Guardian crowdsources its investigation into online tracking (Nieman Journalism Lab)
- Why Facebook social reading apps don’t work (ReadWriteWeb)
- Fear and loathing at NAB 2012 (GigaOM)

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