Jack in the Box's new Smashed Jack burger was an instant hit, selling out in two weeks. It took two years to develop the Smashed Jack — the chain's first new burger in eight years. AdvertisementSmashed Jack, the first new burger by Jack in the Box in eight years, is already smashing expectations. The chain sold 70,000 Smashed Jacks in just one day, and in two weeks, the burger was sold out everywhere . What's so special about the Smashed Jack, and is it worth all the hype?

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Persons: Jack, Jack —, Burger King, —, Anneta Konstantinides, Nancy Luna, What's Organizations: Service Locations: Burger