During the past several years, platforms like Twitter,YouTube and Facebook have used a combination of automated detection and human review to identify and remove extremist accounts and content from their sites—in effect “de-platforming” extremists from mainstream social media.
Helen Christy Powell is a Presidential Fellow at the George Washington University’s Program on Extremism. She studies Islamic State social media and U.S. counterterrorism policy.
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Editor’s Note: Although Internet comments have made great strides in trying to combat extremist content online, they have a long way to go. In particular, much of what jihadists use for propaganda is non-violent or otherwise doesn't neatly fit material that can easily be identified as terrorist-related and removed. Audrey Alexander and Helen Powell of George Washington University's Program on Extremism call for a more holistic approach that goes beyond image takedowns.