Today's geek tip comes from the queens of craft at Martha Stewart. While we've often come across inexpensive cable managers, we're not opposed to using found objects (like socks, perhaps) to keep our cords in line. The crafty divas at Martha Stewart, however, took things a step beyond by using pipe insulation instead. This super-cheap material can be found at your local hardware store and makes a great organizer for extra cables and cords you don't have a current need for around the house.
Check out her instructions (which are insanely easy — just cut to length and score an opening down the middle of the pipe) in her handy how-to.