How do our biases impact PPC performance?

I’ve come to believe that the essence of PPC management can be boiled down to two things: Never let one thing (keyword research, bid management, A/B testing ad copy and so on) take up so much of your attention that you let something else slip. What you did yesterday probably needs to be changed, and failing to adapt your methodology is as bad as having an empty “Change History” log.Read the full article