An iPod is not (just) a toy!
Sure, iPods are great for listening to music, but there's so much more they can be used for, including education! I recently attended the CoSN (Consortium for School Networking) conference in Washington D.C. and had the opportunity to hear an informative and inspiring presentation on iPods in Education, given by Kathy Shirley and Joe Morelock, Apple Distingushed Educators.
Many websites now include podcast versions of their audio and video programming, and iTunes offers hundreds of resources on a variety of subjects, many of them free. Podcasts can be particularly effective for language learners. Check out this list of 100 Ways to Use Your iPod to Learn and Study Better.