Founded in 1954, Burger King is a global, quick-service restaurant chain with over 12,100 locations in 74 countries that serves more than 11.4 million people daily. It is also the home of the world-famous whopper sandwich. If you are a Burger King fan, don’t miss the following survey. Upon completion you will see a validation code introduced on the screen. Write the code on your receipt and you can use it to redeem the suggest on your next visit.