NEW YORK (Reuters) - Verizon Wireless plans to make its data-hungry customers pay a lot more, either in service fees or smartphone prices, as it tries to cut costs and boost revenue from data services. The No. 1 U.S. mobile provider said it will eliminate unlimited data plans for all customers who upgrade their cellphone at a discounted rate, potentially driving more business to its smaller rival Sprint Nextel . Only customers who pay full price for their cellphones will be able to keep unlimited data service plans for a flat monthly fee of $30 a month. ...


