_Tantalum- or coltan is often used in ipods, digital cameras and cell phones
_Tungsten- used to make our cell phones vibrate."
Its interesting after knowing that a simple mineral is affecting part of the raping in congo is something that we don't take for granite. Sometimes I don't even realize that everytime my phone vibrates or is charging, It continues to use that mineral.
visit this website and it explains an article about our electronics causing the war in congo.