http://www.nytimes.com/2012/02/19/magazine/shopping-habits.html?pagewanted=all http://www.nytimes.com/2012/02/19/magazine/shopping-habits.h... has an example (T

http://www.nytimes.com/2012/02/19/magazine/shopping-habits.html?pagewanted=all http://www.nytimes.com/2012/02/19/magazine/shopping-habits.h... has an example (Target, not Google) where that could very well be the conclusion, yes (or rather "too bad the ads were targeted so well"). That's off the top of my head, since that one hit the national news pretty widely.