great analysis. So following your argument it seems as if facebook realized quite a while ago, that the information it collects is not (relationship status, loc

great analysis. So following your argument it seems as if facebook realized quite a while ago, that the information it collects is not (relationship status, location, etc.) is nowhere enough to deduct targeted ads. hence they came up with some sort of tracking cookie disguised as a like button. I gotta give them credit for that, that is ingenious.