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 ...

From flagship phones to budget laptops and even handheld gaming consoles, the same small oval port now stares back at you from almost every new gadget. The shift to USB-C is not a passing fad but the ...