This is already a thing: my usual running shoe store went out of business because of Covid, and the new one I went to has a machine that scans your feet and bui

This is already a thing: my usual running shoe store went out of business because of Covid, and the new one I went to has a machine that scans your feet and builds a 3D model. Like flouroscopy, I suspect it's mostly a gimmick: the shoes I ended up getting there are fine but don't seem to be appreciably better than the ones I would get at the store which measured my feet the old-fashioned way.