If you’re worried about fake news, you ain’t seen nothing yet. Soon we may not be able to tell the difference between a fake video and a real one, even forensically. What we are seeing today is the tip of the iceberg.

Fake news has already altered the world forever. It’s always been a huge business—the National Enquirer has been around since 1926. But fake news came to a head in the 2016 U.S. presidential election and, more recently, even led a Pakistani minister to threaten nuclear war. Today, the big social media sites are trying to come up with new ways to filter out the crap.

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