If your like me and your music collection continues to grow, you may find that your iTunes library is starting to take up a large amount of space on your internal hard drive. There is an easy and simple way to free up that space by directing your iTunes folder to a external hard drive. Donald Bell from CNET breaks down the steps to accomplish this task, both on OS X and on Windows.  Follow the step by step instructions found in this PDF.  Like always, make sure to backup your iTunes folder before making any changes.