Burger King is trolling the competition by allowing app customers to purchase a Whopper for a penny -- so long as it is ordered from McDonald's.
The fast food chain said the "Whopper Detour" promotion allows customers using the Burger King app to purchase a Whopper for a penny, provided they are ordering from within 600 feet of a McDonald's.
The app will then reroute the customer to the nearest Burger King for their 1-cent Whopper.
McDonald's has not yet commented on the marketing stunt.
This article has been adapted from its original source.
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