To be successful, today's brands need to publish content. And plenty of it. The idea is to offer customers useful information while at the same time earning their trust. Increasingly, that content is going to be delivered through messaging apps. In this episode, Jon Prial talks with Kunal Gupta, the CEO of Polar, a company that allows publishers to serve native advertising and sponsored content to their readers, about the content marketing revolution and the role that messaging apps have to play it in it.