In terms of its effect on faxing, email has

led to a significant decrease in fax machine sales because email better suits the needs of the business commun

led to a significant number of improvements in fax machine technology to keep the product class competitive.

led to a significant increase in fax machine purchases due to distrust of email spam.

caused most fax machine manufacturers to incorporate new Internet technology to send, receive, and print em through a wireless connection to a personal computer.

only a moderate impact since thar two technologies do not directly compete with each other.