Whether you're playing poker against a single opponent or find yourself in a bidding war over a home purchase with another prospective buyer, you are operating under conditions of imperfect information. You know what cards you're holding in the poker game, and you also know how much above the home's asking price you can afford, but you don't know your opponent's hand in the card game or how high the other home buyer is willing to go.

French AI researcher Yann LeCun said Wednesday that governments were right to seek sovereign access to the potentially transformative technology.

Will you be flagged at the border? Will your mortgage application be approved? During wartime, whose neighborhood would a weapon system target? These are moral choices—about harm and fairness—and they used to be made by people.