It wasn't all that long ago that big-box retailers had to devote dozens of feet of shelf space to stock the proprietary power cords that every electronics maker required to recharge their individual devices. It was an inefficient mess of a system in what was then a wild, fledgling industry. But on the other end of most of that myriad of early cords was the same small, innocuous rectangle: The Universal Serial Bus A, or USB-A.
First developed in 1995, the USB-A helped impose some small bit of order on that chord chaos, and over the next 15 years, its functionality and capacities expanded to deliver at least five — and up to ten — times its original 1.5 watts of power and exponentially more data, up to 15 gigabites per second.
But now 25 years on, the USB-A's original flaws — its tricky, one-way-or-nothing connection; its data and power limitations; its oversized form in a world of downsized electr…