The Most Expensive Keywords in Google AdWords. Granted, this article is from 2011 and from a company that wants to sell you on it’s services BUT it is still worth reading. You’ll find it interesting, I think.
On the heels of Google’s blow-out Q2 2011 earnings announcement last week, we wanted to find out the most expensive keywords – what keywords demand the highest costs per click and are most competitive in terms of high search volume. Since the vast majority of Google’s profits come from AdWords advertising, these high CPC keyword categories are responsible for a large part of Google’s profits. The results of our research are illustrated in an infographic of the most expensive keywords. [read]