If you live in one the 27 cities where Amazon offers their Prime Now service, you can have tens of thousands of items delivered to your door in an hour. However, on a recent visit to Amazon's Manhattan Prime Now location, we got a peek at how they stock their shelves - and it looks like a total mess. However, there's a perfect reason why it looks that way, and it's part of the reason you can get your order in just an hour.
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Disclosure: Jeff Bezos is an investor in Business Insider through hispersonal investment company Bezos Expeditions.