Cull Your Facebook Friends, Get a Free Burger

Burger King has launched a new Facebook application called “Whopper Sacrifice,” rewarding users who cull 10 people from their friends list with a free burger, Adweek reports. The ad campaign came out of ad agency employees' frustration with their own bloated lists. "We thought there could be some fun there," said one ad exec who admits to 736 Facebook friends. Sacrificed pals get a note saying why they've been axed.

The agency, which also crafted the chain’s controversial “Whopper Virgins” campaign, said the Facebook app would be successful because it’s useful. “We always look at these social networks and think of what tool or thing we wish was here,” the executive said. And for those who think it’s mean-spirited, think again. “Removal is another kind of socializing,” he said. “Now we finally have something to talk about.” (More Burger King stories.)