IBM's Watson analyzes a Twitter account of an unnamed user, breaking down needs, values and five personality traits: openness, conscientiousness, extroversion, agreeableness, neuroticism (aka emotional range). IBM hide caption

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Get ready for your email inbox to be inundated this election season. Ariel Zambelich/NPR hide caption

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After recent terrorist attacks, social media companies are under pressure to do more to stop messaging from terrorist groups. Patrick George/Ikon Images/Getty Images hide caption

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Members of the media crowd into the apartment bedroom of San Bernardino shooting suspects Syed Farook and his wife, Tashfeen Malik, in Redlands, Calif. Chris Carlson/AP hide caption

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There are a lot of ways to donate to a cause online. While using social media may help in promotion, it may not be the most effective way to get people to actually give. Tomacco/Getty Images hide caption

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After protests on Mizzou's campus became national news, the community is trying to figure out how to move forward. Jeff Roberson/AP hide caption

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A man plays piano near the Bataclan theater in Paris on Saturday, the day after a series of attacks on the city resulted in the deaths of at least 120 individuals. At least 80 people died inside the Bataclan. Kenzo Tribouillard/AFP/Getty Images hide caption

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Tang Xiong Xiong, a Bichon Frise, came into the salon as a ball of fluff and emerged with her head shaped like a square. "She's getting used to it," says her owner. Elise Hu/NPR hide caption

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With permission, the Cruz campaign's app searches for potential supporters within users' phones Scott Detrow/NPR hide caption

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Cruz's Crew: You Play The Game, But It's The Cruz Campaign That Scores

Ted Cruz's campaign is hoping its app motivates supporters to volunteer and donate as well as turn over personal information.

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Teenage girls gather in August outside an ice cream shop in Portland, Ore. A new Pew Research Center study finds that while teens use social media and other digital tools in all aspects of their romantic relationships, most still initially meet — and break up with — their love interests face-to-face. Beth Nakamura/The Oregonian/Landov hide caption

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This thumbs up or "like" icon at the Facebook main campus in Menlo Park, Calif., may soon have a neighbor. Founder Mark Zuckerberg said Tuesday that the social network soon would test a long-requested "dislike" type of button. Robyn Beck/AFP/Getty Images hide caption

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Ousted Australian Prime Minister Tony Abbott's fondness for eating raw onions has inspired a social media campaign: #Putoutyouronions. Paul J. Richards/AFP/Getty Images hide caption

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