Pre-Marketing: BlackBerry's lost empire

* Jesse Hicks: How RIM lost an empire

* John Hudson: Peter Thiel is Ron Paul's sugar daddy

* Noam Scheiber: The memo Larry Summers didn't want Obama to see

* Morning Call: U.S. futures flatten, London falls, European shares slump and the Nikkei climbs.

* Tom Murphy: On energy, the way is shut

* Pedram Keyani: From college to Silicon Valley

* Chris Christie to Warren Buffett: "Shut up"

* Study: Investment banking is bad for your health

* IMF analysis: Greek's debt ratio may remain at 160% in 2020

* Alexis Madrigal: Why drones may spark a privacy renaissance

* Beyond Facebook: The rise of interest-based social networks

* Author alert: Meredith Whitney lands a book deal

* Michael Arrington: Palo Alto or San Francisco?

* Tweet of the Day: @paulcarr There's going to come a point where the Internet is just a billion people posting and reposting, cutting and recutting the same beige square

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