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costolo

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Twitter CEO shakeup: Costolo out, Dorsey in

Twitter CEO Dick Costolo is out after months of disappointing investors. Twitter co-founder Jack Dorsey becomes interim CEO on July 1.

By June 11, 2015

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Twitter's Costolo not worried about job security

Twitter CEO Dick Costolo says he's not worried as questions resurface about his job after company's disappointing first-quarter earnings.

By April 29, 2015

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Twitter CEO Dick Costolo: 'We suck' at dealing with trolls

The microblogging service's chief is taking personal responsibility for the platform's slow response to user abuse and harassment, according to memos obtained by The Verge.

By February 4, 2015

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Twitter's user growth skids to a stop

The microblogger's executives say they have no idea when they could see "significant" additions to its monthly active users metric.

By July 28, 2015

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Twitter's Costolo still struggles to send message to Wall Street

Despite Twitter’s stock plummet, CEO Dick Costolo’s job seems safe -- for now. But he needs to explain his strategy better.

By May 2, 2014

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Square files for IPO, say reports, in new wrinkle for Dorsey, Twitter

The mobile-payments firm confidentially files SEC papers to offer stock to the public, say several reports, adding to talk about Square CEO Jack Dorsey and his simultaneous role as interim chief at Twitter.

By July 25, 2015

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Medium cracks down on cyberbullying in rules update

Blog publishing platform joins growing list of sites banning threats, harassment and revenge porn.

By July 27, 2015

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Twitter conference for mobile-app developers returns to San Francisco

The microblogging site aims to compete against Facebook, Apple and Google for developer mind share.

By July 22, 2015

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Twitter's new Safety Center explains how to deal with online abuse

The new webpage comes in the midst of greater concerns about threats and harassment on the microblogging site.

By July 21, 2015

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Tweet of Thrones: Who's going to be the next Twitter CEO?

There's a growing field of possible candidates, from both inside and outside the company, who analysts believe might be able to help turn Twitter around.

By July 11, 2015