Prior to the Closing Ceremony, an expo-style display area was set up where each team had booths to discuss their projects one-on-one before everyone filed into the auditorium for the formal event.
My father and I were disappointed to arrive at the 1965 New York World's Fair after the scoreboard-style lighted display on the Earth's population changed from 2, 999, 999, 999 people to a bit over 3 billion.