He asked, "How many of you own a smart phone?"
Everybody raised their hands.
He asked, "How many of you wear a smart watch?
Fewer people raised their hands.
He asked, "How many of you has a smart TV at home?"
A couple of hands were raised.
He asked, "How many of you have smart home?"
One guy raised his hand.
He asked, "How many of you have a smart brain?"