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Former secretary of Homeland Security Janet Napolitano prepares to testify before the Senate Judiciary Committee in 2013. She has written a new book called How Safe Are We? Chip Somodevilla/Getty Images hide caption

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Chip Somodevilla/Getty Images

Former Homeland Security Head Napolitano Says Cybersecurity Should Be A Top Priority

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Kerrilyn Gibson designed prototypes for an Afro hair emoji. Kerrilyn Gibson hide caption

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Kerrilyn Gibson

One Woman Wants To Create This: *Insert Afro Emoji Here*

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An increasing body of research has documented the addictive nature of social media. Westend61/Getty Images hide caption

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Westend61/Getty Images

In An Increasingly Polarized America, Is It Possible To Be Civil On Social Media?

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Instagram has increasingly become a home for hate speech and extremist content, according to Taylor Lorenz, a reporter for The Atlantic. Anadolu Agency/Getty Images hide caption

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Anadolu Agency/Getty Images

Instagram Has A Problem With Hate Speech And Extremism, 'Atlantic' Reporter Says

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Reports Say U.S. Sees A National Security Threat In Chinese Company Owning Grindr

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A contractor, who federal prosecutors say stole classified information from government agencies, including the National Security Agency, pleaded guilty on Thursday. Patrick Semansky/AP hide caption

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Patrick Semansky/AP

"Facebook is discriminating against people based upon who they are and where they live," Housing and Urban Development Secretary Ben Carson said in a statement. Carlos Osorio/AP hide caption

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Carlos Osorio/AP

Housing Department Slaps Facebook With Discrimination Charge

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Facebook announced Wednesday that it will ban white nationalism and separatism content starting next week. "It's clear that these concepts are deeply linked to organized hate groups and have no place on our services," it said. Oli Scarff /AFP/Getty Images hide caption

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Oli Scarff /AFP/Getty Images

Thailand Moves Forward With Chinese Tech Company Huawei To Build 5G Network

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EU Votes To Rewrite Its Copyright Laws, Delivering A Blow To Tech Giants

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Army Gen. Paul Nakasone, who leads the National Security Agency and U.S. Cyber Command, testifies on Capitol Hill in January. Nakasone has been calling for the U.S. to take a harder line against rivals in cyberspace. He said the U.S. sent three Cyber Command teams to Europe last November as part of a larger effort to prevent Russian interference in mid-term elections. Jose Luis Magana/AP hide caption

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Jose Luis Magana/AP

The U.S. Pledges A Harder Line In Cyberspace — And Drops Some Hints

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LED lightbulbs have replaced many incandescent ones. Now, the Trump administration wants to reverse an Obama-era rule designed to make a wide array of other lightbulbs more efficient. Mark Lennihan/AP hide caption

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Mark Lennihan/AP

Trump Administration Dims Rule On Energy Efficient Lightbulbs

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Evaldas Rimasauskas pleaded guilty to wire fraud charges on Wednesday for his part in orchestrating a scheme to swindle Google and Facebook out of more than $100 million. Marcio Jose Sanchez/AP hide caption

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Marcio Jose Sanchez/AP