Which of the following statements is true of text messaging?
a. It puts less premium on conciseness than email.
b. It cannot be used to send messages from a cellphone to a computer.
c. It cannot be used for business purposes.
d. It is a refinement of computer instant messaging.
The correct statement is:
d. It is a refinement of computer instant messaging.
Text messaging originated from the instant messaging systems used on computers, and it has evolved to become a widely used form of communication on mobile devices. The other statements are not true: text messaging does emphasize conciseness, it can be used to send messages from a cellphone to a computer, and it is frequently used for business purposes.