The document discusses several examples of companies improving their products and packaging to increase sales and functionality. It describes how Kraft redesigned their Chips Ahoy bag with a resealable opening to improve freshness and convenience. It also discusses how Heinz created an inverted ketchup bottle that was easier to use and stopped crustiness from forming on the lid. Kimberly-Clark introduced an oval-shaped Kleenex box for the holidays that sold better than previous designs.