Dick Costolo

Where Did Twitter's Dick Costolo Go Wrong?

Employees loved him. The board loved him. He charmed the media, and even Wall Street, for a brief honeymoon. Why did investors turn on Twitter's CEO?

Erin Griffith

· 6 min read

Dick Costolo Out as CEO of Twitter

Co-founder Jack Dorsey will temporarily replace him as the company searches for a new chief executive.

Laura Entis

· 2 min read

8 of the Greatest Commencement Quotes From Business Leaders

Who couldn't use a shot of inspiration and wisdom at graduation -- or all the time? These eight business leaders brought some serious game to their commencement speeches.

Carolyn Sun

· 7 min read

Reuters

· 3 min read

Twitter Founder: We Hired Dick Costolo Because He's Funny

Biz Stone says humor is so important for a business leader because it 'is kind of a secret delivery mechanism of truth.'

Tom DiChristopher

· 3 min read

Twitter Is Bleeding Users Because 'We Suck at Dealing With Abuse and Trolls'

Ahead of an earnings call today, Twitter's CEO took personal responsibility for rampant trolling on the platform in a leaked memo.

Geoff Weiss

· 2 min read

Twitter's Jack Dorsey Defends CEO Dick Costolo in Massive Tweetstorm

'There isn't a single person who has been thinking longer about Twitter than @dickc.'

Laura Entis

· 3 min read

POLL: Are We All Idiots? Or Is Twitter Really Difficult to Use?

To the surprise of many, some people find Twitter difficult to understand. Are hashtags really that confusing?

Jason Fell

· 1 min read

Investors Unnerved: Is Twitter Too Difficult to Use?

The social media company's stock plunges 20 percent on report of slow user growth.

Jason Fell

· 2 min read

Wearable Tech, Marissa Mayer, Entrepreneurs and Innovation: A CES 2014 Preview

A bird's eye view of what's set to take place at the big tech event in Las Vegas next week.

Jason Fell

· 4 min read

Twitter CEO Spars With Tech Entrepreneur Over Lack of Women on Board

After a New York Times story critiqued Twitter for having zero women on its board, the social network's CEO aired his opinions -- leading to a social media-infused grudge match.

Lyneka Little

· 2 min read