What is mean by viral Marketing?

Viral marketing, viral advertising, or marketing buzz are buzzwords referring to marketing techniques that use pre-existing social networks to produce increases in brand awareness or to achieve other marketing objectives (such as product sales) through self-replicating viral processes, analogous to the spread of viruses or computer viruses. It can be delivered by word of mouth or enhanced by the network effects of the Internet.[1] Viral marketing may take the form of video clips, interactive Flash games, advergames, ebooks, brandable software, images, or text messages.

Viral marketing, viral advertising, or marketing buzz are buzzwords referring to marketing techniques that use pre-existing social networks to produce increases in brand awareness or to achieve other marketing objectives (such as product sales) through self-replicating viral processes, analogous to the spread of viruses or computer viruses. It can be delivered by word of mouth or enhanced by the network effects of the Internet.[1] Viral marketing may take the form of video clips, interactive Flash games, advergames, ebooks, brandable software, images, or text messages.

i do not to viral marketing please tale me my friends.

Marketing phenomenon that facilitates and encourages people to pass along a marketing message.It depends on a high pass-along rate from person to person. If a large percentage of recipients forward something to a large number of friends, the overall growth snowballs very quickly. If the pass-along numbers get too low, the overall growth quickly fizzles.