800. ______________ marketing is the Internet version of word-of-mouth marketing.

✅ The correct answer is C.
Viral marketing is the Internet version of word-of-mouth marketing. Viral Marketing is that which is able to generate interest and the potential sale of a brand or product through messages that spread like a virus, in other words, quickly, and from person to person. The idea is for it to be the users themselves that choose to share the content.