A Look Inside Boston's New 'Expired' Food Supermarket

We’ve all been in this confusing scenario: your milk in the fridge expires the day you want to use it. But is that its sell-by date? Best by? Use by? What does that expiration date really even mean?

All the confusion is one of the factors leading Americans to throw away about $640 worth of food every year, according to a survey out Wednesday from the American Chemistry Council.

Doug Rauch wants to change that number. As the former president of Trader Joe’s, he knows the ins and outs of the grocery world and just how much good food goes to waste in the current model.

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