The writer is a science commentator
Whether it is cloned voices being used to empty bank accounts or AI-generated videos of politicians behaving badly, the digital world has long harboured fakery, falsehood and fraud.
But Hany Farid, a professor at the University of California, Berkeley, specialising in digital forensics, recently advanced two opinions that suggest a darkening picture. The first came in a podcast in January, when he was asked to grade the threat to society from deepfakes, on a scale from one to ten. His reply? Twelve.
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