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How social media companies are prepping for the 2020 elections

As the 2020 election draws closer, social media companies are making changes to their policies to fix mistakes pointed out during the previous election cycle. Alex Kantrowitz, senior technology reporter at BuzzFeed News, and Ed Lee, media reporter for the New York Times, join CNBC's "Squawk Box" to discuss.
Fri, Jul 5 20197:37 AM EDT