How Does the Airplane Game Work?

As nan remembers it, anyone who was even tangentally related to the whole human potential movement was a buzz about the airplane game. Parties introducing it to newcomers were being held all over lower manhattan. The way she describes it, they looked kind of like literary salons with people giving inspiring lectures at their bohemian flats in the east village. "It was really intoxicating and fun, until somebody leaned up to me and said i think there are some fbi men in the room"