In Terms of Its Effect on Faxing, Email Has

In terms of its effect on faxing, email has

A) led to a significant number of improvements in fax machine technology to keep the product class competitive.
B) led to a significant decrease in fax machine sales because email better suits the needs of the business community.
C) led to a significant increase in fax machine purchases due to distrust of email spam.
D) only a moderate impact since the two technologies do not directly compete with each other.
E) caused most fax machine manufacturers to incorporate new Internet technology to send, receive, and print email through a wireless connection to a personal computer.