Uber CEO Travis Kalanick has apologized for comments made by Senior Vice President Emil Michael, who at a private dinner last week suggested uncovering personal details about journalists. Will Oliver/EPA/Landov hide caption

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Although Apple CEO Tim Cook's sexual orientation wasn't public, it has been something of an open secret in business and technology circles. Michael Graae/Getty Images hide caption

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Comcast CEO Brian Roberts gestures as he speaks during a cable convention in Washington, D.C., in 2013. This week, his company drew scrutiny for an agonizing customer service experience. Susan Walsh/AP hide caption

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Facebook CEO Mark Zuckerberg speaks at a developer conference in April. His company was unliked this week for manipulating users' news feeds to test their emotions. Ben Margot/AP hide caption

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Apple's Craig Federighi introduces the company's Home Kit platform during the Worldwide Developers Conference in San Francisco. Justin Sullivan/Getty Images hide caption

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Beats headphones are sold alongside iPods in an Apple store in New York City. Apple is reportedly considering buying Beats for more than $3 billion. Andrew Burton/Getty Images hide caption

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Paul Hopkins of DuPont Fabros stands on the roof of company's newest Silicon Valley data center. "It's about the same size and length as a Nimitz aircraft carrier," he says. Steve Henn/NPR hide caption

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