Viral Marketing Refers to

Viral marketing refers to

A) an embedded message that causes a pop-up screen to appear every time a user types in a specific word.
B) malicious malware that is used to create doppelgangers on competitors' websites.
C) a subversive program that automatically transfers viruses from one website to another.
D) an Internet-enabled promotional strategy that encourages individuals to forward marketer-initiated messages to others via e-mail,social networking,and blogs.
E) an online multilevel marketing promotion that awards participants based upon how many friends they "like" on personal social networking sites such as Facebook.