Advertising Age - Digital - Google's Latest Power Grab (Hint: It's Not DoubleClick)
. . . . Google is building surfing profiles for individuals. Knowing where people go will allow Google to better target them with ads, behaviorally and post-search, with ads related to recent searches. To do this, Google simply needs them to visit pages where it controls the delivery of ads. Through AdSense, it has plenty of pages in its control.