How to use ribbons to keep your snake pit of electronic wires in check

I can't be the only one who's taken a look in the electronics drawer and thought "what belongs to what?" Wires tangle easily and all look much the same. The wire that recharges my cell phone looks awfully similar to the wire that recharges my mp3 player… and so on. Fortunately I have come up with a system for keeping the snake pit of wires in my drawer and under my desk in check.