1.   An outbreak of mooing in the crowd swells until most of the club is doing it.

2.   Some workers will arrive early, before the Olympic crowds swell, or leave late, after the mobs thin out.

3.   The crowd swells -- people have finished work and dinner -- and then begins the round of nightly news live shots.

4.   Win your opening match and the crowds swell, the nation falls in love with the national players, opponents become intimidated, and nothing seems impossible.