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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Can Big Data Help Head Off Police Misconduct?

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Facebook's Moments app uses facial recognition technology to group photos based on the friends who are in them. Amid privacy concerns in Europe and Canada, the versions launched in those regions excluded the facial recognition feature. Facebook hide caption

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Can Computer Programs Be Racist And Sexist?

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Daniel Craig plays James Bond in the film Casino Royale. Dramatis, a computer program, can detect suspense from this scene and rates it even higher as the plot thickens. MGM/United Artists/Sony/The Kobal Collection hide caption

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Can You Teach A Computer To 'Feel' Suspense?

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By clicking "Like" and commenting on Facebook posts, users signal the social network's algorithm that they care about something. That in turn helps influence what they see later. Algorithms like that happen all over the web — and the programs can reflect human biases. iStockphoto hide caption

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What Makes Algorithms Go Awry?

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Now Algorithms Are Deciding Whom To Hire, Based On Voice

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"Timescape" finds words in the news associated with Sept. 11, and weights them according to prominence in a story — not just how often they appear. Gaurav Bradoo hide caption

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An Algorithm Is A Curator At The Sept. 11 Museum

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