Content "creation" is done manually by checking Instagram's popular feed (using the Instagram API) and copy/pasting popular images of fashion items into a database (including the stores links where you can buy them).
Obviously I'm worried about copyright issues. I'm not storing any images (only the links), but I don't think that makes any difference. My app credits the respective Instagram user as the owner of the picture - but again, I don't think that makes any difference. Is this "fair use" of the data, and if not - what's the point for Instagram having an API? Can anyone spare some legal knowledge?