The algorithms that serve up what you like can often create closed loops of their own, packed only with people who agree with you already. Hiroshi Watanabe/Getty Images hide caption

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The Reason Your Feed Became An Echo Chamber — And What To Do About It

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Leslie Jones poses backstage during the Sony Pictures Entertainment presentation at CinemaCon 2016, the official convention of the National Association of Theatre Owners, at Caesars Palace on April 12, 2016, in Las Vegas. Chris Pizzello/Invision/AP hide caption

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Former Illinois Rep. Joe Walsh is standing by a tweet he sent after the fatal shooting of five police officers in Dallas in which he warned President Obama to "Watch out" and "Real America is coming after you." Carolyn Kaster/AP hide caption

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A woman holds a cellphone up to a police officer as an attempt is made to calm the crowd after an arrest is made following the sniper shooting in Dallas on Thursday. Laura Buckman/AFP/Getty Images hide caption

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Videos Make Everyone A Witness To Police Shootings

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Supporters of the 'Stronger In' Campaign watch the results of the EU referendum being announced at a results party at the Royal Festival Hall in London on Friday. AFP/AFP/Getty Images hide caption

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A Facebook official said the company has found no evidence to back up allegations that company contractors suppressed stories of interest to conservatives in its trending topics section. Jeff Chiu/AP hide caption

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When a megastar like Prince dies, collective mourning ensues. But if you didn't grow up hooked on the music — whether out of taste, or even because you weren't allowed — these moments can be somewhat isolating. Todd Davidson/Flickr Creative Commons hide caption

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Siblings Sangeeta (from left), Sunil and Ravi Tripathi. Sunil went missing weeks before the Boston Marathon, and media outlets misidentified him as one of the bombing suspects. One Production Place hide caption

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How Social Media Smeared A Missing Student As A Terrorism Suspect

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'I Think That I Shall Never See, A Poem As Lovely As ... One On ATC'

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When You Become The Person You Hate On The Internet

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