Researchers have discovered a surprisingly simple way to detect deepfake video calls: ask the suspect to turn sideways. The trick was shared this week by Metaphysic.ai, a London-based startup behind the viral  Tom Cruise deepfakes. The company used DeepFaceLive, a popular app for video deepfakes, to transform a volunteer into various celebrities. Most of the recreations were impressive when they looked straight-ahead. But once the faces rotated a full 90-degrees, the images became distorted and the spell was broken. The fakes fell apart at a sharp 90° profile. Credit: Metaphysic.ai The team believes the defects emerge because the software uses fewer…

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