31.   Customer demand drives the service, says Michael Polzin, spokesman for Deerfield, Ill.-based Walgreen Co.

32.   Customer demands are too exacting.

33.   Customer demand and a desire to find new revenue sources as competition heats up are leading many ISPs to offer Web hosting services.

34.   Delivery trucks had to make extra rounds to keep up with customer demands, she said.

35.   Dennis Fusco, chief economist for the Washington Employment Security Department, said inventory buildups occur with wholesalers and retailers in response to customer demand.

36.   Customer demand for after-hours trading clearly exists.

37.   Customer demand for quicker delivery in the freight transportation industry has prompted the Overland Park-based trucking giant to make a big operational change.

38.   Customer demand for the synthetic hormone soared late last summer, when it was dubbed the best non-prescription sleeping aid around.

39.   Customer demand is clearly strong.

40.   Demand for microprocessors, or computer brains, outpaced supply earlier this year because Apple had miscalculated customer demand for its Power Macintosh line.