Has Google monopolized digital advertising? New evidence traced back to former ad guru suggests it's a 'nightmare' for publishers to switch platforms: "It takes an act of God to do it"

Google Swiss headquarters office building exterior at Zurich.

What you need to know

• Google is currently on trial for allegedly leveraging its dominance to monopolize digital advertising.
• New evidence presented in court highlights the company's aggressive strategy to "crush" competitors using anticompetitive business practices, making it a "nightmare" for publishers to switch platforms.
• Google insists it plays fair with rivals and even claims it faces fierce competition from companies like Microsoft and Amazon, which also offer an integrated suite of products for advertisers and publishers.