If you own an iPad, you already know all the cool things you can do with it. It seems that no matter what you want to do, there really is an app for that. Then there is iTunes U. This is a free app for your iPad or iPhone that allows you to take online courses offered by major colleges and universities, as well as K-12 and continuing education at no charge!
To enroll in iTunes U, simply download the app to your iPad or iPhone or install iTunes on your computer (for either PC or Mac). Then go to iTunes U and browse the courses. The content is Courses are presented as lectures, books and videos. Choose the course you want, download the content, and class is in session! Although there is no actual school or college credit, there is no cost, either. Plus, you can learn at your own pace.