A cable-free world would be wonderful, but until then, these dapper leather wraps are perfect to keep wires under control. Check out the CableSnap.
Twelve South, makers of the vintage BookBook Vol 2 case, have a handy little accessory that can keep your wires and cords tangle-free. Its called a CableSnap and it is a leather wrap where you can keep your cables neatly coiled up. A strong metal snap helps to keep each snap securely closed.