Teas Maid
A clock and a kettle with a switch under to disable power if you forgot to fill it. They have been selling these since before home computers with CP/M
You still have to remember to fill it each night.
To wash the cups and bring them back.
What about the milk?
Remote controlled TVs sort of make sense. Radio less so. The Teasmaid proves that there is a market for totally useless appliances.