The Got Fluoride? Poster is not only a Got Milk? parody but references that most American water has slight fluoride levels in it - some claim, for dental hygiene; others, as part a some conspiracy like mind control. See more
Reaching back to Ancient Egypt, there's been a single cabal of powerful individuals directing the course of human history. But the common man prefers to believe they don't exist, which aids their success.
Global warming? Military upheavals in the third world? Actors elected to public office?
The spread of coffee bars? Germs outpacing antibiotics? And boy bands? Come on! Who would gain from all this?