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In 2009 Burger King launched a campaign that if you unfriended 10 friends on Facebook you were entitled to a free whopper. The ex-friend would receive a message explaining that their friendship was less valuable than a whopper.

In 2009 Burger King launched a campaign that if you unfriended 10 friends on Facebook you were entitled to a free whopper. The ex-friend would receive a message explaining that their friendship was less valuable than a whopper.

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