Burger King has been really successful with their online viral advertising campaigns. Remember Subservient Chicken or BK Flame. Well, it turns out that the marketing department at Burger King has another viral hit with Whopper Sacrifice.

If you’re on the social networking site Facebook, install Whopper Sacrifice and you’ll get a free Whopper when you sacrifice 10 of your closest friends. Burger King makes no secrets about your human sacrifice, sending an email to the sacrificed friends that you prefer a juicy burger to their online friendship.

This was really well done, hats off on your marketing campaign.

[Link]