The Theranos scam looks like the Enron scam. Both are black box scams. There are inputs and outputs, but how inputs become outputs is obscured. The perfect black box is one in which what's obscured generates faith instead of suspicion.
Black boxes have inputs and outputs, but the connections among them and the rules that govern how causes become effects are purposely opaque so that consent can be manufactured and propaganda can be accepted without evidence. A few thoughts on how black a box Syria is: