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Deepfakes are images, voices, and videos that are created by or with the help of AI algorithms intended to mislead an audience. The term "deepfake" was first used in late 2017 by a Reddit user of the same name, who shared pornographic videos using open-source face-swapping technology on the Reddit site. Technology could also be used to make people in the real world appear in videos and audios that say or do things they never said or did, to replace people in existing videos, or to create video content with completely non-existent characters, celebrities, or important politicians.