JULY 1989

More than half of the 500 executives surveyed at five major trade shows wouldn't wait more than a minute for a sales representative at a booth. Here's how the numbers break down:

41% 1 minute

28 3 minutes

14 5 minutes

11 30 seconds

6 Won't wait

Source: From a 1989 survey by Incom International, Chicago, a trade-show training and research organization.