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Exactly. If you're Gap and have a lineup with thousands of articles of clothing, why would you go through the trouble of procuring models? You have to deal with modeling agencies, photographers, set managers, etc... When the AI gets good enough, it will be even better than the alternative. It will serve ads showing only your body type. Maybe the models will even have....your face.
That would be great. You don't need a floor length mirror and changing rooms if you can just have your rendered body and face to exchange clothes on. Need to get accurate measurements for the right dimensions though.
3D body scanning to get a representation of your body. Than use software to automatically generate and cut clothing patterns to get the exact fit you're looking for. TNow all that's left is stiching, which would be fairly difficult to automate when patterns are variable so would still be a significant cost point for custom clothing.