Now all that remains is to fill it with content, which may be somewhat difficult since contributing users would presumably have to be fairly knowledgable about fashion[1]. Perhaps there's an opportunity to employ machine learning here, or maybe some sort of listing that's available online (or upon request from the showrunners).
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1. Which leads me to think there might be a market for crowdsourcing tasks to particular demographics-- in this case, underemployed experts on haute couture. Maybe "Artisanal Turk"? Or maybe "hipster.io"?