Everyone realises that the external customer is becoming more and more demanding.

Because of the extremely long waiting period, many customers become frustrated and search for solutions to jump the line, often resulting in conflict.

Meanwhile, more mature customers are becoming more price-sensitive by the day.

But as new customers become harder to find, the phone is seen as a way to get more out of existing ones.

At this point, the customers were becoming more and more price conscious.

The formation of the alliance reflects the fact that customers are becoming reluctant to rely on a single vendor.

Domestic customers were becoming ever more sensitive to the price of gas as electric heating, in various forms, became relatively cheaper.

But there's so much sameness in private label, too, that the customer has become disenchanted.

The airlines now complain that their customers are becoming increasingly violent, putting their employees at risk.

"But over the years, customers have become more savvy."