Twitter changed its "favorite" star icon to a "like" heart icon prompting largely negative responses from Twitter users. But is it the heart they hate? Or the change itself? Screenshot by NPR hide caption

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Heath Miller of the Pittsburgh Steelers catches the ball on the 1-yard line against defender Brandon Flowers of the San Diego Chargers during Monday's game in San Diego. Donald Miralle/Getty Images hide caption

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Former U.S. National Security Agency contractor Edward Snowden appears live via video during a student organized world affairs conference at the Upper Canada College private high school in Toronto in February. Mark Blinch/Reuters/Landov hide caption

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Pope Francis' embracing of the digital world and social media has given new meaning to the word "followers" for the Catholic Church. Gabriel Bouys/AFP/Getty Images hide caption

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Democratic presidential candidate Bernie Sanders was tweeting up a storm during Wednesday night's Republican debate. Win McNamee/Getty Images hide caption

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People can now contribute to presidential campaigns with just a few taps on a smartphone. Jonathan Alcorn/AFP/Getty Images hide caption

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Not pictured: the warped Tupperware lids Hunter Scott's bot dutifully won in a mock-sweepstakes. They were never mailed to him. Hunter Scott hide caption

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