Viral marketing is a marketing technique that uses pre-existing social networks to spread a message rapidly. It works by getting individuals to share content with their friends and social networks, who in turn share it with their social networks, in a process similar to the spread of a virus. The goal of viral marketing is to trigger people to pass on a marketing message to their friends and acquaintances, in the hope that they, in turn, will pass on the message.

1. Viral Marketing - 2