Did Kevin truly learn about advertising by going to the library to check out books and read about it?  "Extra! Extra!.... learn about online advertising 101, then build a billion-dollar business. And was Kevin's Big Hairy Audacious Goal (BHAG) to build something so big it would have to be broken up by the justice department? And what's he up to today? Join us to find out, wit Marc and Christine, on The Zero Hour.