But as I have noted somewhere else, not many complete the courses they sign up. Being online and free is its greatest strength and weakness.
I have just now posted 4 tips, from my personal experience, on how to complete the courses you have signed up at the following location. http://sukhbinder.wordpress.com/2013/06/11/four-tips-to-finish-the-online-course-you-signed-up/
If you planning to take an online course or taking one, don't forget to visit the link to finish what you have began!