Free Whoppers whenever you want

On my recent trip to Burger King I made a little departure from my main stay and decided to do a little covert ops.

I found the coupon code book for free whoppers and chicken sandwiches. All you have to do is get a reciept from a burger king that has a survey box on the back. Instead of calling the number and wasting your time just follow these instructions for free no hassle food.

Here are the instructions: