Burger King once gave free burgers for removing FB friends
Fast food chain Burger King offered a free burger to anyone who unfriended ten people on Facebook, under its "Whopper Sacrifice" campaign in 2009. Burger King would also send notifications to people who were unfriended. The campaign featured taglines such as "Friendship is strong, but the Whopper is stronger," and claimed to have achieved over 2 lakh friend removals.