Burger King trolls McDonald's with 'Whopper Detour' promotion

A new promotion from Burger King sounds too good to be true but it's not!

For eight days, the chain is basically giving away its iconic Whoppers for a penny.

But there is a small catch: you have to help them troll their competition.

In order to cash in on the one-cent sale, you have to pull into a McDonald's parking lot.

All customers have to do is stop within 600 feet of the golden arches, order a Whopper on Burger King's relaunched app, then follow along as it navigates to the closest Burger King.

The chain said the concept is simple, as long as you don't try to actually order a Whopper from McDonald's.

The promotion, dubbed the "Whopper Detour," is good until Dec. 12.

McDonald's has not yet commented on Burger King's ploy.
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