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Not sure if I would go that far, but ok! What are other examples of garbage technology?
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@paul_rietschka Yeah I think what everyone is aware of but nobody really knows how to deal with:
- obviously you only get data for stuff that people see
- strong position bias (especially when you are only showing a small number of recos)
- over time it becomes a self-fulfilling prophecy.
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@paul_rietschka What people do:
- sprinkle in random items to get data. But this costs because those are almost always bad.
- trying to account for position bias by reweighting
- maybe quickly changing assortment actually helps, but what to do about cold start problems?