Usability, along with utility and desirability, unlocks the key to effective eLearning courses. By following these three essential principles, course developers are able to create great learning experiences for learners of all types. The good news is, any eLearning professional can learn how to apply usability, utility and desirability principles. Here's a list of questions to get started. Make the most out of them and help students make the most out of your course.