Keep Cords Untangled with this Cord Winder

We were cruising through a Batteries Plus store in Florida looking for a cordless phone battery when I found these magnificent objects called an AppleCore:

I've been so frustrated with the cord on my earbuds!  Everytime I use my iPod, I have to untangle the cord.  But not anymore, my friend, check this out:

It works like a charm, too, I love it.  I got some bigger applecores that I'll try for my laptop cord, my nook cord, phone cord and tethering cord.  Am I forgetting anything?