The iPhone and other Apple products have the conflict mineral Coltan in them. Coltan is heat resistant, and ideal for transmitting electric charges. This mineral is rare, expensive (a mine can be worth hundreds of millions of US dollars), and prevalent in war torn Congo. Since 1998, 5-7 million people have died in an ongoing civil war being fought, largely, over control of the mines. The mineral can be found in most electronics company’s products, but Apple is the world’s biggest and should start the trend of boycotting conflict minerals.
Read here for more dirty secrets Apple doesn’t want you to know: http://likes.com/tech/dirty-secrets-apple-doesnt-want-you-knowing?v=v1hMuRzKDP69g