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by jacobgkau 272 days ago
> Do they actually store the original uploaded video somewhere, but reencode for the edge servers to save data/storage?

YouTube has always stored the original video indefinitely. When they added 60FPS support, videos going back years were suddenly available with 60FPS without having to re-upload them. Not many people bothered to upload in 60FPS before YouTube supported it, but those that did noticed. (I know from Rooster Teeth/Achievement Hunter, which did 60FPS before YouTube supported it possibly because they also had their own platform in parallel.)