A related article: http://www.nytimes.com/2014/06/13/technology/facebook-to-let-users-alter-their-ad-profiles.html

I'm kinda interested in seeing what dirt Facebook thinks it has on me. I have Adblock on by default, so my impressions of stuff are relatively pure and untainted by targeted advertising manipulation (although I am aware of instances where general, untargeted advertising has influenced me).