And last spring, the company redesigned the oven, replacing the traditional light bulb used for baking with an electric heating element, then switching the oven's door from the side to the front.
Switching involves looking at an element of the screen and giving a big blink to select -- the display seems adjusted in such a way that normal blinks won't trigger it, so you're less likely to accidentally set something off.
On a smaller scale, switching from express to ground delivery of products, if you determine that shipping speed is not a crucial element to your customers, and then upcharging those consumers who still prefer express delivery, could produce substantial savings.