One of my ad campaigns gets an average of 150 impressions on any given day. This past Monday, "Cyber Monday," we received over 9,000 impressions. We analyzed the traffic with Google Trends and it looks like the volume of keywords search was up about 250%, but as you can see our increase in impressions was much much greater than 250%. Did anyone experience anything similar? Or could anyone offer any sort of explanation? Much thanks.
It is more likely that you might be getting more impressions from content rather than search which in turn means that some site with these many impressions were serving your ads more often