Ch-ch-ch-changes: Why We Continually Run Ad Tests

by Katie Walton
I spend a lot of time training other people how to do PPC. The other day someone asked me, while I was in the midst of explaining how the ad testing process works, why we continually test new ads. “Surely” he said, “there’s a point at which you’ve written the best ad it’s possible to write? Wouldn’t you then just make your performance worse?” Once I recovered from the shock, ...Read the full article