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More Posts on Dick Costolo
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.
User growth also was slower than hoped for.
Biz Stone says humor is so important for a business leader because it 'is kind of a secret delivery mechanism of truth.'
Ahead of an earnings call today, Twitter's CEO took personal responsibility for rampant trolling on the platform in a leaked memo.
'There isn't a single person who has been thinking longer about Twitter than @dickc.'
To the surprise of many, some people find Twitter difficult to understand. Are hashtags really that confusing?
The social media company's stock plunges 20 percent on report of slow user growth.
A bird's eye view of what's set to take place at the big tech event in Las Vegas next week.
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.