Why is it that the vast majority of USB cables are 6 feet long? The majority of my time, I need a 1-footer to connect random gadgets to my USB hub. Heck, even a 6-incher would be nice, but a USB cable ...

If you travel with a gaggle of 5-volt devices, a simple powered USB hub can charge as many as seven at a time. John P. Falcone is the senior director of commerce content at CNET, where he coordinates ...