TV is still the big dog when it comes to advertising. But it's slipping. Advertisers are moving their dollars online, fast. The money is mostly flowing to Facebook and Google because those platforms can use personal information to target ads specifically based on your interests. But the next frontier in TV ads is coming our way. AT&T just completed its purchase of Time Warner and has launched an ambitious new ad-tech strategy. The plan is to take all that data it has from wireless subscribers and its internet services and deliver way more targeted ads on television. Today on Marketplace Tech, we dig into how this would work in Quality Assurance, the segment where we take a closer look at a big tech story. Molly talks with Ad Age media reporter Jeanine Poggi. (09/28/18)