Kidding aside, as you can see in the image below, the new plug is much smaller than the standard USB-A plug found on thumb drives and USB cables everywhere. It's designed to replace all existing USB plugs with a single reversible plug which is about the same size as the existing micro-USB plug while at the same time offering a significant boost in speed:
The new plug is ready for production, and more details can be found at www.usb.org. Today’s press release also notes that the specification has now been “ transferred to the USB Implementers Forum (USB-IF) for ongoing management and the establishment of a compliance and certification program.”
So this new plug is intended to unify all the disparate standards into a single standard used on all devices? I don't see that happening - not unless the existing standard plugs are withdrawn.
My doubts come from the many devices I have used over the past few years. Most mobile devices use a USB cable of some kind, but they don't all use the same one. Even in late 2014, I'm still seeing new gadgets with the old, old mini-USB plug - the one which many (but not all) device makers discarded in 2009.
Frankly, I expect the existing standard cables to hang around for another 3 or 4 years, if not longer. And I'm sure we all know why: