Tungsten is commonly used in the filaments of light bulbs, and is essential to their manufacture. It is also a little known fact that the world's supply of tungsten is estimated to be depleted in the next 20 years. Now, everybody knows that nobody is going to live by the light of fluorescent or halogen lamps, let alone the flickering glow of an led. Whoever controls the tungsten, will control the world! Yes, one day, I will be a tungsten baron, and rule this planet with an iron fist!