One such creative, YouTuber Marques Brownlee, wants to know if his videos were used to train Sora. But as part of his Sora review, Brownlee didn't sugarcoat his skepticism, especially when it comes to how the model was trained. Sora added a small fake plant in the video, eerily matching his own fake plant in the real world. AdvertisementMarques Brownlee's Sora review. Marques Brownlee's Sora review.

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