This video from technology connections shows exactly the same but with microwaves, specifically one from 1997. https://www.youtube.com/watch?v=UiS27feX8o0 https

This video from technology connections shows exactly the same but with microwaves, specifically one from 1997. https://www.youtube.com/watch?v=UiS27feX8o0 https://www.youtube.com/watch?v=UiS27feX8o0 What I don't understand is, you have done the development, the cost of the rest of things is marginal. Why don't keep giving those features into all microwaves manufactured by the same company?