Charge Your 3DS/XL Over USB with this $4 Cord

I finally caved and bought a 3DS a few months ago, and while I love the thing, it's always bothered me that it shipped with a bulky AC wall adapter, instead of a USB power cord like I'd grown accustomed to with all of my other gadgets. So on a lark, and with a few long flights on the horizon, I Googled around for… » 8/05/14 2:15pm 8/05/14 2:15pm