Since last few years, Coca Cola has been ruling the viral scenario through creative guerrilla marketing campaigns. In fact, in order to connect with the audiences’ emotional side, they have been going crazy with tens of viral campaigns every year. It all started off with the Coke Happiness vending machine for them; and it doesn’t seem like they will stop doing that any time soon. All this time the second biggest giant of the global cola industry, Pepsi, has been a silent observer. Or we can say that they haven’t been getting a chance to strike the iron at all because Coke has not been letting anyone take a break! Coca Cola’s consumer centric approach is ripening today, while Pepsi’s celebrity centric approach has always been an expensive avenue to invest in from a brand’s perspective. Anyways. Don’t get me wrong guys, I don’t intend to trash Pepsi here. In fact…