Google’s ad tech monopoly ruled illegal – Here’s what it means for the company and industry overall

A US judge has ruled that Google has illegal control over ad technology, which could lead to US officials trying to break up parts of the company. Here’s what the case is about and what it could mean for Google’s parent company, Alphabet.

The most important thing to know is what this case is not about. It’s not about Google’s main business—search—which makes most of its money. That’s part of a separate legal case. This case is about Google’s ad tech business, called Google Network.