I've seen them smack dab in the middle of boston.com "The Big Picture". You basically can't look at more than a few of the photos without answering a google survey question. For me, looking at this page now asks me who my auto insurance provider is with: http://www.boston.com/bigpicture/2013/10/broken_lives_of_fuk...
It must be blocked by AdBlock, because I've never seen one.
I'm realizing now I'm missing a pretty large part of the web, by using AdBlock and Ghostery: most social share buttons, ads, Disqus comments… I should probably go on the unadulterated web one day a month, just to see what it looks like.
