They must think we're stupid.

The food industry is bragging that they've managed to reduce the calorie count in many of their products. Sure they have -- it's not hard to do when you reduce the size of the package.

From Kellogg's cereals (roughly a 15% size reduction) to Snickers bars (roughly 11% reduction), to Tropicana orange juice (about an 8% reduction), to Chicken of the Sea tuna (reduced from 6 ounces to 5 ounces), manufacturers are reducing the amount you get without reducing the amount you spend.

I seriously doubt, however, that this deceptive change in packaging will make any inroads into the obesity problem. People are going to buy food in the quantities they wish to eat whether it's one can or two. For example, I now buy two cans of tuna when I want to make a tuna salad, because that paltry 5 ounces just doesn't quite stretch enough. So in reality, the companies haven't reduced calories at all -- they've only reduced the amount of money in your pocket.

http://www.dailyfinance.com/2011/04/04/u-s-companies-shrink-packages-as-food-prices-rise/