NICK DOUGLAS — When a tech company actually builds something, you'll hear about it first at a news source like CNet or TechCrunch. But while it's still a glint in a startupper's eye and anything can happen, we're ready for the pre-op interview. Our two strategies: Be cruel, and drink beforehand (in this instance, a double screwdriver). Our first subject, 16-year-old college student Jessica Mah, already built and sold a company. Now she's working on what she calls the eBay of hired services. In the following interview, she tells me why she plans to make a billion dollars before she's 25.