To succeed, you have to be relentless about pursuing a big opportunity — and ruthless about killing your own bad ideas along the way. Zynga founder Mark Pincus up-ended the gaming industry with social games like Farmville and Words with Friends. And he did it by gathering data; killing ideas that didn't move the needle, and going all-in on the ones that did. With cameos by Andrea Jones-Rooy, analyst at FiveThirtyEight, and comedian Matt Ruby, founder of Vooza.