I worked at one of the worlds biggest travel search companies. The guy who was in charge of PPC for our region reckoned that if they turned off Google search ad

I worked at one of the worlds biggest travel search companies. The guy who was in charge of PPC for our region reckoned that if they turned off Google search ads then the company would lose 70% of revenue. It’s probably even worse now that Google has taken over the SERPs for anything travel related.