BY JOHN PATRICK PULLEN 

Ask a dozen people why they find Dollar Shave Club’s online advertisement funny, and you’ll probably get 12 different answers. From a machete-wielding CEO to a shaving baby to a goofy dance number, the tightly scripted video, “Our Blades Are F**king Great,” has a gag to suit every taste. In the first three months after the startup posted the clip on YouTube last March, it racked up 4.75 million views—thanks in large part to shares on social media sites. Read more on Entrepreneur…