Viral marketing is one of today’s hottest buzzwords. What’s the buzz all about?Viral Marketing sounds like a supremely nasty advertising trick, a combo of the flu and one of those annoying commercials that sticks in your head for ages. But in actuality, it’s neither of those things; to go Viral, it has to be the opposite of annoying. In fact, Viral Marketing is among the holy grails of promotion. What is viral marketing?  And does your business need it?