I've been curious:
Back in the day, when you'd have game shows that had a daytime edition and a simultaneous accompanying nighttime edition, what kind of job was it for the coordinators to find out which show a person/people (in the cases like Family Feud) would work best on? Did they have separate numbers/PO boxes to draw from for each show? Or did they just bring you in on an open call, do the interview, and decide from there?