Sources: IgnitionOne [download page], Adobe, Merkle|RKG [download page], Kenshoo
Notes: Search advertising continued to show strong growth in Q4 in the US, with double-digit increases in spending and clicks reported by IgnitionOne and Merkle|RKG. Globally, Kenshoo indicates that clicks were up 32% year-over-year, driven in part by a 17% increase in click-through rates..
Related: Advertising Channels With the Largest Purchase Influence on Consumers