1.   And that means spending billions of dollars upgrading cable systems and convincing customers to switch away from what may be the only phone company they have ever known.

2.   As the executive vice president in charge of sales and support, Ballmer has taken the lead in convincing corporate customers to buy Microsoft products.

3.   He said Compaq will have trouble convincing customers about its enterprise product plans without the HP merger and will face increasing price competition from Dell.

4.   Price said his company would be able to offset the decreased revenues by convincing customers to increase their overall use of MCI Worldcom services.

5.   She makes her living convincing customers to make purchases and investments.

6.   Hess said online stores designed Web sites to make shopping easier, while convincing customers of the security of their credit card numbers.