“Search = performance”. “With paid search sales are for the taking”. This is what you were told or maybe you were the one telling this to others. Paid search has always been considered a performance channel. While Google has shared a brand uplift study [https://adwords.googleblog.com/2014/06/new-study-search-ads-lift-brand.
Today's paid search accounts are often very big, containing hundreds of keywords. In order to optimize these accounts, search specialists have to carry out many repeating, time-consuming tasks that get boring after a while. With all these repetitive tasks, it is becoming more challenging for search specialists to reserve time