So, the next couple of items on my list were from Bastiat: the petition of the candle makers, the negative railroad, and the broken window fallacy, which led in to his discussion of the seen versus the unseen.
Zuckerberg announced that Facebook will add a Beacon opt-out button to the site's privacy settings, caving to the demands of a protest group created by MoveOn.org called "Petition: Facebook, stop invading my privacy!"