Have you noticed that your candy bar feels lighter, or that there are fewer chips in the bag? You aren't imagining it. Consumer advocate Maya Lin exposes the tactic of "Shrinkflation" in "The Incredible Shrinking Product." Facing rising raw material costs, companies quietly reduce the size or quality of a product while keeping the price the same, betting that consumers are too busy to notice.Lin documents the most egregious examples, from toilet paper rolls becoming narrower to ice cream cartons changing shape to hide the volume loss. She explains the psychology behind "Just Noticeable...