As a matter of fact, the USB Type-A plug has 3 quantum states: up, down, and superposition. And it will stay in the latter until observed. Here's an overview, kindly provided by the Intel Developer Zone: http://i.imgur.com/kYGTLjc.png
Also, while I'm at it:
USB 3.0 = USB 3.1 Gen 1 (5 Gbps) USB 3.1 = USB 3.1 Gen 2 (10 Gbps)