Pre-Marketing: Zuckerberg comes of age

* Henry Blodget: The maturation of Mark Zuckerberg

* Too big to jail? Why can’t Obama bring Wall St. to justice

* Morning Call: U.S. futures point lower, European shares tumble and the Nikkei hits 3-month low.

* Kara Swisher: This weekend in Yahoo

* Garrett Jones: The recession’s invisible victim is trust

* Mark Boslet: Has “lean startup” produced results?

* Allen Murabayashi: Why Instagram is terrible for photographers

* Sarah Lacy: Sequoia Capital confirms stealth “scout” program

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* Nick Dunbar: Nature bits back in messy world of derivatives

* William Cohan: Lehman emails show Wall St. arrogance led to collapse