[ad_1] by Douglas Anderson As a marketer, we have all attempted to create a viral marketing campaign, however, exactly what triggers virality still remains a mystery to many marketing professionals. Most things on the web go viral because of the snowball effect: someone sees something they enjoy, then they share it, then some of their friends see it and share it, and so on. Remember Rahul Dravid’s famous ad for #IndranagarKaGunda CRED or ‘Not Just a Cadbury Ad’ featuring Shahrukh Khan, both were delivered during an event/festival, yet after those…