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The use of deepfake technology to manipulate video and audio for malicious purposes — whether it’s to stoke violence or defame politicians and journalists — is becoming a real threat. As these tools become more accessible and their products more realistic, how will they shape what we believe about the world? In a portentous talk, law professor Danielle Citron reveals how deepfakes magnify our distrust — and suggests approaches to safeguarding the truth.

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