My skid steer loader.
Platinum VISA card.
My smartphone. It let's me communicate with others. It has a map with current traffic flow to get me to and from places efficiently. I can get answers to questions I or others may have. I can make a shopping list and even just shop from it. It can entertain through books, movies or games. While it can not cook, I can order food and have it delivered. Or I can make reservations, not only for dinner, but for camping, a hotel or an airline.
My I phone that would be the best Christmas present I got last year.
My dishwasher many many years ago. I will never be without one.
Then my phone