“Dead bodies.” This is the first phrase you hear from venture capitalists or industry veterans today when you bring up the subject of “adtech” or “martech.” Like soldiers on the battlefield - martyrs for a noble cause (or maybe just a payday) - startups have entered the advertising industry over the last two decades and emerged with battle scars. Throughout the 2010’s, a founder’s favorite phrase was “advertising is broken.” They pitched one fantastical SaaS idea after another, peddling the n...