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"Deepfake" videos have become hugely popular online — for better or worse. This AI-powered technology results in hilarious celebrity head swaps but, as Jordan Peele demonstrated with his manipulation of Barack Obama's speech, they could play a more disturbing role in online misinformation. Computer vision scientist Wael AbdAlmageed's mission is to develop tools that can quickly detect deepfakes with a good degree of accuracy.

As digital human experts, both Chris and Wael took part in a SAG-AFTRA panel at CES and recorded this podcast afterwards. Wael explains some of the telltale signs that you’re watching a deepfake video and the approaches computer algorithms use to detect them. He also tackles digital de-aging in movies such as The Irishman and the ethics of facial manipulation. This is a fascinating look at a fight against a technology that is improving day by day.