Get Off the Plane: Your Social Credit Score Just Went Negative

China expands its system of tracking a citizen’s behavior with a social credit score, and limiting his freedoms if it goes negative. Your neighbor reports you smoking a cigarette at your house, and when you try to fly to Hong Kong the flight attendant says, your score is too low, get off the plane. Is this just a dystopian nightmare spawned by communism, or could measures taken by American companies to nudge consumer behavior lead to such a scenario in the land of the free?