Among the guilty party? Chicken of the Sea tuna, bags of Doritos, Tostitos, and Fritos, Nabisco saltines, and Honey Maid graham crackers. This phenomenon's nothing new — we first noticed it in 2008 with ice cream containers (case in point: Haagen-Dazs), then cartons of Tropicana orange juice. Still, it's maddening to think that consumers can be fooled by smaller sizes. What have you noticed shrinking in size?