According to 20,000 users, about 23 cents.
Burger King is putting an end to "gratuitous-friending" on Facebook with Whopper Sacrifice.
The challenge: call 10 people from your friend list and get a coupon for a free Whopper.
Genius.
It's simple.
it's based on truth. (Do you really know all 700 of your Facebook friends?)
It's sparked conversation.
And users get something out of it.
So far 200,000 friends have been sacrificed resulting in 20,000 free Whoppers.
Who knew that ten people you reluctantly accepted as Facebook friends would end up buying you dinner.