roaming – adj. the use of a cell phone outside the usual area
customer(s) – n. people or organizations that buy goods or services
generate – v. to make or produce
rival – n. a person or thing that tries to defeat or be more successful that another
clients – n. a person who pays a professional person or organization for services
strategic – adj. of or related to a general plan to reach a goal in business, politics or war
commercial - adj. related to the buying or selling of goods and services