Imagine driving up to your house and the gate opening automatically to let you in. The lights leading up to your parking spot come on too. You get out of the car and approach your door. Instead of fumbling for your keys, you simply touch the handle and the door swings open. Somewhere, a voice chimes: “welcome home”. As you walk inside, the lights are dimmed to suit your mood and the temperature of the air conditioner is already set to your preference. There’s no one in the house, yet things are being done just the way you like them.
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