Petascale changes everything

Let's say you have multiple petabytes of JPEG's/WebP/etc. content and you need (not want - because your competitors are doing it already) to add GPU texture support to your app. What do you do? Encode 2-3x times without supercompression (BC7+ASTC, maybe ETC1 too, no supercompression): utterly impractical, explodes (8x-16x or more) overall content size. Even 1 format (say ASTC) without…