Technology

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When he first emerged on social media, the user known as Harlan claimed to be a New Yorker and an Army veteran who supported Donald Trump for president. Harlan said he was 29, and his profile picture showed a smiling, handsome young man.

A few months later, Harlan underwent a transformation. Now, he claimed to be 31 and from Florida.

New research into Chinese disinformation networks targeting American voters shows Harlan’s claims were as fictitious as his profile picture, which analysts think was created using artificial intelligence.

As voters prepare to cast their ballots this fall, China has been making its own plans, cultivating networks of fake social media users designed to mimic Americans. Whoever or wherever he really is, Harlan is a small part of a larger effort by U.S. adversaries to use social media to influence and upend America’s political debate.

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