* Ackman’s revenge? SEC looks at Soros

* Big deal: Vodafone looks to unload Verizon Wireless stake

* Kevin Morris: Is Estsy’s brave new economy crumbling?

* Morning Call: U.S. futures climbEurope edges higher and Japan rebounds.

* Q2 GDP revision: Consensus is climb from 1.7% to 2.2%

* Cyrus Sanati: Investors are overreacting to Syria fears

* Academy: Sal Khan’s 6 lessons for innovators

* Post-merger: BATS Trading CEO expects IPO within year

* Silicon Valley split: Sergey Brin and Anne Wojcicki break up

* Tom Tunguz: How Gmail’s new inbox changes mobile marketing

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* More than 140 characters: Jack Dorsey’s plan to save struggling American cities