"How you spend your dollars at the supermarket is the most important way to create changes in the food industry." -Jamie Oliver
Concrete Proof: When the campaign against high fructose corn syrup really gained speed, consumers became aware of how prevalent this ingredient really was. They started switching over to products without it and one by one, big brands started removing or replacing it from their products to keep up. Now very few products, even high calorie, nutritionally vacant foods rarely have HFCS as it's second or third ingredient, if in it at all.