21.   Reserved seats in all grandstand areas for the inaugural U.S. Grand Prix at Indianapolis Formula One race have been sold.

22.   Remember the days of walking up to the window and choosing between general admission and reserved seats?

23.   Reserved seats are on sale at Santa Anita.

24.   Reserved seats were sold out a week before the race.

25.   The second leg was supposed to be on a first-class, non-smoking coach with reserved seats.

26.   The World Championship of Golf is sold out, and it appears that reserved seats for the MicroAge Fiesta Bowl Parade will sell out at any moment.

27.   What it takes to qualify for those reserved seats varies with the airline.

28.   Whether you sit in reserved seats or up in the Bob Uecker seats, it takes money.

29.   Popcorn is free -- and waiting at each reserved seat.

30.   And when it comes time to take the next flight, be aware that the definition of a reserved seat sometimes varies.