Everyone has opened a box or bag, only to find that the product purchased doesn't even begin to fill the package.
It raises interesting questions: Why does a vitamin bottle rattle when you shake it? Or why does pasta mix fill only the bottom of the box?
Brian Wansick, a Cornell University professor and author of "Mindless Eating," said studies show consumers are attracted to big boxes and bags, even if they don't actually contain more food.
"One of the things we found ... is that people...Full Story