And, you'll be able to open the door remotely. In the future it's going to be vmail, or video mail, and it starts when you do a fingerprint analysis to let the computer know you're home. Tucked away in a closet somewhere are the brains of the house and the high-speed data link that brings the outside world in. There'll be something that controls the TV satellite, and something that sends information around the house and stores all your favorite movies and the software - everything that makes the house of the future run smoothly. You choose your meal, and you guessed it, the computer uses the Internet to message the online grocer who delivers the ingredients.
Dinner still has to be cooked.
OK, it's very easy because this system automatically sends the cooking data to the network microwave oven. The instructions are at the microwave. It already knows how to cook everything. So take the just delivered groceries, put them in and push the button. Even the toilet will be wired to weigh you, measure body fat and analyze urine.