... fancy gadget or alike: please think twice.
Being a somewhat tech-savvy guy I am, I was scared to become aware of this _that_ late, evidently media companies are doing a very good job here also :P.
The mineral (Tantalum) inside the small capacitors used in these tiny electronic devices is fueling the worst contemporary humanitarian crisis in the world, with about 5.4 millon deaths so far.
No further presentation needed since you already have it in your pocket, meet "Coltan".