if you look at the history of those accepted, I dont think there is a formula. Groups have been accepted with a prototype for one product and turned it into an

if you look at the history of those accepted, I dont think there is a formula. Groups have been accepted with a prototype for one product and turned it into another. Groups have been accepted with just an idea and nothing more Group have been accepted with nothing except the group It seems like acceptance into Y-combo is a mixture of several elements. I dont think you can rely on slick mockup or prototype just as much as you cant rely on 3 Harvard grads with nothing.