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22 sats \ 0 replies \ @k00b 30 Nov 2023 \ parent \ on: proof of coffee bitcoin
JPEGs store orientation info in EXIF data: https://jdhao.github.io/2019/07/31/image_rotation_exif_info/
They upload images from their computer/phone that are in one orientation and we display it in the other orientation (because we scrub out the orientation info).