Burger King's moldy Whopper ad is dividing marketing experts
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Burger King made headlines when it launched its latest ad — showing a Whopper going moldy — on Wednesday. But featuring mold in a food ad breaks all the rules of meal promotion, which usually involves beautifully-shot items that have been set up by stylists. CNBC spoke to several experts to get their reactions.

TIL that in 2020, Burger King ran an advertising campaign featuring a picture of a moldy Whopper, to prove that their burgers are made without preservatives. This unconventional advertising method worked, increasing sales by 14% (according to multiple sources.)