Update:  Facebook has ditched Whopper Sacrifice due to privacy issues.  Link to article.

Burger King unveiled their new Angry Whopper which includes spicy crispy onions, jalapenos, pepper jack cheese, bacon, tomatoes, lettuce, mayonnaise, and spicy Angry Sauce.  Jumping on the Facebook bandwagon, Burger King has developed a Facebook application called Whopper Sacrifice to help promote their spicy product.

So, how does it work?

If you want a free Whopper you need to ditch 10 of your Facebook friends.  The friends that you ditch will receive an alert informing them that you sacrificed their friendship for a stinkin' Whopper. 

Can you resist the power of the Whopper?

Link to So Good article
Link to official Whopper Sacrifice website

(Thanks, michelleyg!)