A man is frantically searching his house, turning cushions, emptying drawers, and peering under furniture. His wife walks in, looking amused.
“What’s the emergency?” she asks.
“My keys!” he exclaims. “I can’t find my car keys anywhere! I’m going to be late for my appointment!”
His wife calmly sips her tea. “Did you check the usual places?”
“Everywhere!” he insists, running a hand through his hair. “The hook by the door, my jacket pocket, even the refrigerator! They’ve vanished!”
He continues his frantic search, muttering to himself. The wife watches him for a few more minutes, then sighs.
“Alright,” she says, “I’ll give you a hint. Remember that new ‘smart’ car you bought? The one that can start with your phone?”
The man stops, a slow realization dawning on his face. He pulls out his phone, taps a few times, and the distinct sound of his car engine starting can be heard from the driveway.
He looks at his wife, then at his phone, then back at his wife. “So,” he says, “I guess I don’t need keys anymore?”
His wife smiles. “Not unless you want to open the front door. Or unlock the glove compartment. Or start the lawnmower. Or…”