It means marketing technique that uses social networks for advertising various products. Thus they achieve their marketing goals and increase product sales. Viral promotions may be spread in the form of interactive flash games, video clips, eBooks, images, or text messages. Examples of the viral marketing schemes are: ponzi schemes (and pyramid schemes), multi-level marketing (Amway, Mary Kay) and many others. There are many viral marketing concepts. This type of marketing increases the online sales. Free email services on the Internet give demonstrative examples of viral marketing. Free email services mean free advertising as the sent messages contain promotion and in addition advertising in the interfaces. And thus this type of marketing concept is utilized on a zero budget.
