Muhahahaha…
The next time you find yourself on a plane, sitting next to someone who cannot resist chattering to you endlessly, quietly pull your laptop out of your bag, carefully open the screen (ensuring the irritating person next to you can see it), and hit this link.”
It works especially well on Americans, specifically the more paranoid Conservative variety. Then again it may result in you being beaten to death by a mob of angry passengers before you can get a chance to explain what a joke is.