A computer integrated in your fridge.
In 1999 Electrolux introduced Screenfridge, a refrigerator with an integrated computer, touch screen and Internet connection with the idea that became a sort of hub-and family interaction something.
Then insisted the Cyber Fridge, a refrigerator for professionals that adds remote diagnostics, uses radio frequency chips to track inventory, and to top it can be opened by talking.
I think these are two examples of little commercial success