October 4, 2010

Twitter.com
Twitter chief operating officer Dick Costolo moves up to CEO. “He has been a critical leader in devising and executing our revenue efforts, while simultaneously and effectively making the trains run on time in the office,” says Ev Williams.

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From 1999 to 2011, Jim Romenesko maintained the Romenesko page for the Poynter Institute, a Florida-based non-profit school for journalists. Poynter hired him in August…
Jim Romenesko

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