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Amanpour & Co.
“Meme Wars:” The Digital Underworld That Led to Jan. 6
The internet has redefined American politics in many ways. Among the most significant is the increasing use of memes by politicians and extremist groups. Once dismissed as an online joke, memes have proved to be effective tools for energizing a base -- and effective weapons in attacks on opponents. Joan Donovan and Emily Dreyfuss investigate the digital underworld in their new book "Meme Wars."
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