When you're the first to do something as an entrepreneur, and you do it very well, other companies start to pay attention—fast. But what happens when you're suddenly up against businesses a hundred times your size, offering up your product? In this preview of Zero to IPO season two, Zoom's CEO and founder Eric Yuan shares advice on how to stand out with Rachel Tipograph, CEO and founder of MikMak, a marketing ecommerce platform that allows brands to better understand their consumers.