Facebook and Free Labor

I've been reading about the role of commercial surveillance in the "war on terror" for a review essay I'm working on, and one of the recurring themes includes government attempts to piggyback on "non-obvious-relationship-awareness" patterns pioneered by marketers and the casino industry. In any case, I stumbled across a piece a while back about government funding for research into the possibility of trolling MySpace for the purposes of identifying potential terrorist suspects. Of course Murdoch bought the site at least in part because of its potential as a target marketing site (it was founded by some folks who worked in e-mail direct marketing, as I recall). Now, back on the marketing side, Facebook is using the info it generates from users for target marketing.