Wednesday, April 11, 2018

The Grim Conclusions of the Largest-Ever Study of Fake News

We now know that 87 million Facebook accounts (including yours) given over to Cambridge Analytica, and that Cambridge Analytica was funded the the Mercer Foundation, a millionaire Trump supporter.  We also know that  Zuckerberg is testifying before skeptical lawmakers wary of Facebook’s power (what took you so long??).  So, a discussion ensued about whether you would know if news was true or fake?

Here is the article I mentioned in class of the "Largest-Ever Study of Fake News", published in Science, but the full details are disclosed in more detail in The Atlantic (with a link to the Science article).   It's really fascinating.   The opening quote motivated me to continue.  I hope you read it, too.
It was hyperbole three centuries ago. But it is a factual description of social media, according to an ambitious and first-of-its-kind study published Thursday in Science. 
The massive new study analyzes every major contested news story in English across the span of Twitter’s existence—some 126,000 stories, tweeted by 3 million users, over more than 10 years—and finds that the truth simply cannot compete with hoax and rumor. By every common metric, falsehood consistently dominates the truth on Twitter, the study finds: Fake news and false rumors reach more people, penetrate deeper into the social network, and spread much faster than accurate stories. 
“It seems to be pretty clear [from our study] that false information outperforms true information,” said Soroush Vosoughi, a data scientist at MIT who has studied fake news since 2013 and who led this study. “And that is not just because of bots. It might have something to do with human nature.”
This new paper looks at nearly the entire lifespan of Twitter: every piece of controversial news that propagated on the service from September 2006 to December 2016. But to do that, Vosoughi and his colleagues had to answer a more preliminary question first: What is truth? And how do we know?

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