I've got some old cords that have a micro-usb port on one end and a wall plug on the other. These are for charging mobile phones I used to have. Should I toss them or save them for future phones I'll ...

That tangle of old cords and cables in the closet is not just clutter, it is a pile of metal and components that still carry real value. With a bit of sorting and strategy, I can turn those forgotten ...