Which of the Following Statements Is True of Viral Marketing

Which of the following statements is true of viral marketing?

A) Marketers have significant control over where their viral messages end up.
B) Viral marketing gives consumers online places to congregate, socialize, and exchange views.
C) Because customers find and pass along the message, viral marketing can be very inexpensive.
D) In viral marketing, links appear alongside search engine results on sites such as Google and Bing.
E) Viral marketing messages are blocked by most search engines, security software, and social networking sites.