But how willing customers will be to pay extra for text, sound or pictures on their computer screens remains to be seen.
Maybe he had not been a willing customer at the parlor.
Commercial document delivery services will borrow on behalf of any customer willing to pay their rates.
She saw a chance to profit from a willing customer.
The former is run by owners who must make a return by generating repeat business from willing customers, against competition.
But there seem to be plenty of customers willing to pay the price.
This summer big personal computer manufacturers would begin to include the new product in machines for customers willing to pay extra for them.
If lawyers, who are certainly competitive, can find willing customers for their services, where do economists get off second-guessing the market?
"It's a neighborhood restaurant, but it has never found a niche of customers willing to go back there."
At least six new establishments have crowds of eager customers willing to stand in line for tables.