Which of the Following Related to Buzz Marketing Techniques and Word-Of-Mouth

Which of the following related to buzz marketing techniques and word-of-mouth are false?

A) Buzz marketing techniques are increasing in importance to marketers because the cost of the traditional television advertising has increased in the last several years.
B) The Internet has lengthened the amount of time that a word-of-mouth communication can linger in public.
C) A buzz marketing technique that involves the spread of word-of-mouth over the Internet is also called viral marketing.
D) Stealth marketing techniques are considered unethical according to the Word of Mouth Marketing Association and are also now illegal in the United States.
E) Buzz marketing techniques are increasing in importance to marketers because the media is very cluttered.