Viral Marketing is when your existing website visitors, customers, or subscribers refer you to others.when other webmasters send traffic to your site.This is the best way to get web site traffic because you have been recommended and others are doing the work for you.

Viral marketing is getting people to spread your message for you willingly. Imagine you just published an awesome post, people love what they see and they start to inform others about it thus driving loads of traffic to your site. If the message continues to spread from others to another person, the message is considered going viral.