How Google’s Ad Stack Works and Why Regulators Are Probing Its Dominance

The DoJ is investigating monopoly allegations against the tech giant to ensure it's an honest broker

U.S. regulators are looking into Google, but what are they looking for? Photo Illustration: Dianna McDougall; Sources: Getty Images, Google

Big Tech is under fire from governments frustrated with its pervasive societal influence many believe allows it to operate without the checks and balances that constrain legacy industries.

@ronan_shields Ronan Shields is a programmatic reporter at Adweek, focusing on ad-tech.
@EthanYWu Ethan Wu reports on ad tech and programmatic advertising. He is a senior at Cornell University studying economics.